diff --git a/api/@ohos.data.unifiedDataChannel.d.ts b/api/@ohos.data.unifiedDataChannel.d.ts
index bdc283df1fec4dc465c1b011c64750a5d43cdece..cf4aa158b6f94afb58628a7e316b9727c16922c1 100644
--- a/api/@ohos.data.unifiedDataChannel.d.ts
+++ b/api/@ohos.data.unifiedDataChannel.d.ts
@@ -62,7 +62,7 @@ import Want from "./@ohos.app.ability.Want";
 declare namespace unifiedDataChannel {
   /**
    * Types of scope that UnifiedData can be used.
-   * @enum { number }
+   * @enum { int }
    * @syscap SystemCapability.DistributedDataManager.UDMF.Core
    * @atomicservice
    * @since 12
@@ -84,6 +84,15 @@ declare namespace unifiedDataChannel {
     CROSS_APP
   }
 
+  /**
+   * RrcordData is used for input parameter obj of the equal function
+   * @typedef { undefined | null | Object | Record<string, RecordData> | Array<RecordData> }
+   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+   * @since 20
+   * @arkts 1.2
+   */
+  type RecordData = undefined | null | Object | Record<string, RecordData> | Array<RecordData>;
+
   /**
    * Indicated delay get UnifiedData
    * 
@@ -98,21 +107,29 @@ declare namespace unifiedDataChannel {
 
   /**
    * Indicates type of value.
-   * @typedef {number | string | boolean | image.PixelMap | Want | ArrayBuffer | object | null | undefined}
+   * @typedef {int | long | double | string | boolean | image.PixelMap | Want | ArrayBuffer | object | null | undefined}
    * @syscap SystemCapability.DistributedDataManager.UDMF.Core
    * @atomicservice
    * @since 12
    */
   /**
    * Indicates type of value.
-   * @typedef {number | string | boolean | image.PixelMap | Want | ArrayBuffer | object | null | undefined}
+   * @typedef {int | long | double | string | boolean | image.PixelMap | Want | ArrayBuffer | object | null | undefined}
    * @syscap SystemCapability.DistributedDataManager.UDMF.Core
    * @crossplatform
    * @atomicservice
-   * @since arkts {'1.1':'14', '1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 14
    */
-  type ValueType = number | string | boolean | image.PixelMap | Want | ArrayBuffer | object | null | undefined;
+  type ValueType = int | long | double | string | boolean | image.PixelMap | Want | ArrayBuffer | object | null | undefined;
+
+  /**
+   * Indicates type of value.
+   * @typedef {int | long | double | string | boolean | image.PixelMap | Want | ArrayBuffer | RecordData | null | undefined}
+   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+   * @since 20
+   * @arkts 1.2
+   */
+  type ValueType = int | long | double | string | boolean | image.PixelMap | Want | ArrayBuffer | RecordData | null | undefined;
 
   /**
    * Describe the unified data properties.
@@ -268,7 +285,8 @@ declare namespace unifiedDataChannel {
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @crossplatform
      * @atomicservice
-     * @since 14
+     * @since arkts {'1.1':'14', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
     addRecord(record: UnifiedRecord): void;
     /**
@@ -380,12 +398,13 @@ declare namespace unifiedDataChannel {
     /**
      * A map for each type and data size, key is data type, value is the corresponding data size
      *
-     * @type { Record<string, number> }
+     * @type { Record<string, long> }
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @atomicservice
-     * @since 11
+     * @since arkts {'1.1':'11', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
-    summary: Record<string, number>;
+    summary: Record<string, long>;
     /**
      * Total data size of data in Bytes
      *
@@ -395,12 +414,13 @@ declare namespace unifiedDataChannel {
     /**
      * Total data size of data in Bytes
      *
-     * @type { number }
+     * @type { long }
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @atomicservice
-     * @since 11
+     * @since arkts {'1.1':'11', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
-    totalSize: number;
+    totalSize: long;
   }
 
   /**
@@ -451,7 +471,8 @@ declare namespace unifiedDataChannel {
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @crossplatform
      * @atomicservice
-     * @since 14
+     * @since arkts {'1.1':'14', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
     getType(): string;
 
@@ -518,7 +539,8 @@ declare namespace unifiedDataChannel {
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @crossplatform
      * @atomicservice
-     * @since 14
+     * @since arkts {'1.1':'14', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
     getValue(): ValueType;
 
@@ -593,7 +615,8 @@ declare namespace unifiedDataChannel {
    * @syscap SystemCapability.DistributedDataManager.UDMF.Core
    * @crossplatform
    * @atomicservice
-   * @since 14
+   * @since arkts {'1.1':'14', '1.2':'20'}
+   * @arkts 1.1&1.2
    */
   class Text extends UnifiedRecord {
     /**
@@ -620,92 +643,83 @@ declare namespace unifiedDataChannel {
      * @since 14
      */
     details?: Record<string, string>;
-  }
 
-  /**
-   * Describe the unified plain text data
-   *
-   * @extends Text
-   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
-   * @since 10
-   */
-  /**
-   * Describe the unified plain text data
-   *
-   * @extends Text
-   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
-   * @atomicservice
-   * @since 11
-   */
-  /**
-   * Describe the unified plain text data
-   *
-   * @extends Text
-   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
-   * @crossplatform
-   * @atomicservice
-   * @since 14
-   */
-  class PlainText extends Text {
     /**
-     * Indicates the content of text
+     * Indicates the details of unified text
      *
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @since 10
      */
     /**
-     * Indicates the content of text
+     * Indicates the details of unified text
      *
-     * @type { string }
+     * @type { ?Record<string, string> }
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @atomicservice
      * @since 11
      */
     /**
-     * Indicates the content of text
+     * Indicates the details of unified text
      *
-     * @type { string }
+     * @type { ?Record<string, string> }
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @crossplatform
      * @atomicservice
      * @since 14
      */
-    textContent: string;
     /**
-     * Indicates the abstract of text
+     * Indicates the details of unified text
+     *
+     * @returns { Record<string, string> | undefined } the details of unified text
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    get details(): Record<string, string> | undefined;
+
+    /**
+     * Indicates the details of unified text
      *
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @since 10
      */
     /**
-     * Indicates the abstract of text
+     * Indicates the details of unified text
      *
-     * @type { ?string }
+     * @type { ?Record<string, string> }
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @atomicservice
      * @since 11
      */
     /**
-     * Indicates the abstract of text
+     * Indicates the details of unified text
      *
-     * @type { ?string }
+     * @type { ?Record<string, string> }
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @crossplatform
      * @atomicservice
      * @since 14
      */
-    abstract?: string;
+    /**
+     * Indicates the details of unified text
+     *
+     * @param { Record<string, string> | undefined } the details of unified text
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    set details(value: Record<string, string> | undefined);
   }
 
   /**
-   * Describe the unified link data
+   * Describe the unified plain text data
    *
    * @extends Text
    * @syscap SystemCapability.DistributedDataManager.UDMF.Core
    * @since 10
    */
   /**
-   * Describe the unified link data
+   * Describe the unified plain text data
    *
    * @extends Text
    * @syscap SystemCapability.DistributedDataManager.UDMF.Core
@@ -713,23 +727,24 @@ declare namespace unifiedDataChannel {
    * @since 11
    */
   /**
-   * Describe the unified link data
+   * Describe the unified plain text data
    *
    * @extends Text
    * @syscap SystemCapability.DistributedDataManager.UDMF.Core
    * @crossplatform
    * @atomicservice
-   * @since 14
+   * @since arkts {'1.1':'14', '1.2':'20'}
+   * @arkts 1.1&1.2
    */
-  class Hyperlink extends Text {
+  class PlainText extends Text {
     /**
-     * Indicates the url of a link
+     * Indicates the content of text
      *
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @since 10
      */
     /**
-     * Indicates the url of a link
+     * Indicates the content of text
      *
      * @type { string }
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
@@ -737,7 +752,7 @@ declare namespace unifiedDataChannel {
      * @since 11
      */
     /**
-     * Indicates the url of a link
+     * Indicates the content of text
      *
      * @type { string }
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
@@ -745,66 +760,49 @@ declare namespace unifiedDataChannel {
      * @atomicservice
      * @since 14
      */
-    url: string;
+    textContent: string;
+
     /**
-     * Indicates the description of a link
+     * Indicates the content of text
      *
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @since 10
      */
     /**
-     * Indicates the description of a link
+     * Indicates the content of text
      *
-     * @type { ?string }
+     * @type { string }
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @atomicservice
      * @since 11
      */
     /**
-     * Indicates the description of a link
+     * Indicates the content of text
      *
-     * @type { ?string }
+     * @type { string }
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @crossplatform
      * @atomicservice
      * @since 14
      */
-    description?: string;
-  }
+    /**
+     * Indicates the content of text
+     *
+     * @returns { string } the content of text
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    get textContent(): string;
 
-  /**
-   * Describe the unified html data
-   *
-   * @extends Text
-   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
-   * @since 10
-   */
-  /**
-   * Describe the unified html data
-   *
-   * @extends Text
-   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
-   * @atomicservice
-   * @since 11
-   */
-  /**
-   * Describe the unified html data
-   *
-   * @extends Text
-   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
-   * @crossplatform
-   * @atomicservice
-   * @since 14
-   */
-  class HTML extends Text {
     /**
-     * Indicates the content of html, with html tags
+     * Indicates the content of text
      *
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @since 10
      */
     /**
-     * Indicates the content of html, with html tags
+     * Indicates the content of text
      *
      * @type { string }
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
@@ -812,7 +810,7 @@ declare namespace unifiedDataChannel {
      * @since 11
      */
     /**
-     * Indicates the content of html, with html tags
+     * Indicates the content of text
      *
      * @type { string }
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
@@ -820,15 +818,24 @@ declare namespace unifiedDataChannel {
      * @atomicservice
      * @since 14
      */
-    htmlContent: string;
     /**
-     * Indicates the plain content of html
+     * Indicates the content of text
+     *
+     * @param { string } the content of text
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    set textContent(value: string);
+
+    /**
+     * Indicates the abstract of text
      *
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @since 10
      */
     /**
-     * Indicates the plain content of html
+     * Indicates the abstract of text
      *
      * @type { ?string }
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
@@ -836,7 +843,7 @@ declare namespace unifiedDataChannel {
      * @since 11
      */
     /**
-     * Indicates the plain content of html
+     * Indicates the abstract of text
      *
      * @type { ?string }
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
@@ -844,66 +851,90 @@ declare namespace unifiedDataChannel {
      * @atomicservice
      * @since 14
      */
-    plainContent?: string;
+    abstract?: string;
+
+    /**
+     * Indicates the abstract of text
+     *
+     * @returns { string | undefined } the abstract of text
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @crossplatform
+     * @since 20
+     * @arkts 1.2
+     */
+    get textAbstract(): string | undefined;
+
+    /**
+     * Indicates the abstract of text
+     *
+     * @param { string | undefined } the abstract of text
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @crossplatform
+     * @since 20
+     * @arkts 1.2
+     */
+    set textAbstract(value: string | undefined);
   }
 
   /**
-   * Describe the unified file data
+   * Describe the unified link data
    *
-   * @extends UnifiedRecord
+   * @extends Text
    * @syscap SystemCapability.DistributedDataManager.UDMF.Core
    * @since 10
    */
   /**
-   * Describe the unified file data
+   * Describe the unified link data
    *
-   * @extends UnifiedRecord
+   * @extends Text
    * @syscap SystemCapability.DistributedDataManager.UDMF.Core
    * @atomicservice
    * @since 11
    */
   /**
-   * Describe the unified file data
+   * Describe the unified link data
    *
-   * @extends UnifiedRecord
+   * @extends Text
    * @syscap SystemCapability.DistributedDataManager.UDMF.Core
    * @crossplatform
    * @atomicservice
-   * @since 14
+   * @since arkts {'1.1':'14', '1.2':'20'}
+   * @arkts 1.1&1.2
    */
-  class File extends UnifiedRecord {
+  class Hyperlink extends Text {
     /**
-     * Indicates the details of unified File
+     * Indicates the url of a link
      *
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @since 10
      */
     /**
-     * Indicates the details of unified File
+     * Indicates the url of a link
      *
-     * @type { ?Record<string, string> }
+     * @type { string }
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @atomicservice
      * @since 11
      */
     /**
-     * Indicates the details of unified File
+     * Indicates the url of a link
      *
-     * @type { ?Record<string, string> }
+     * @type { string }
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @crossplatform
      * @atomicservice
      * @since 14
      */
-    details?: Record<string, string>;
+    url: string;
+
     /**
-     * URI of the local file or online file. The local file URI can be obtained using the getUriFromPath function.
+     * Indicates the url of a link
      *
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @since 10
      */
     /**
-     * URI of the local file or online file. The local file URI can be obtained using the getUriFromPath function.
+     * Indicates the url of a link
      *
      * @type { string }
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
@@ -911,7 +942,7 @@ declare namespace unifiedDataChannel {
      * @since 11
      */
     /**
-     * URI of the local file or online file. The local file URI can be obtained using the getUriFromPath function.
+     * Indicates the url of a link
      *
      * @type { string }
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
@@ -919,42 +950,24 @@ declare namespace unifiedDataChannel {
      * @atomicservice
      * @since 14
      */
-    uri: string;
-  }
-
-  /**
-   * Describe the unified image data
-   *
-   * @extends File
-   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
-   * @since 10
-   */
-  /**
-   * Describe the unified image data
-   *
-   * @extends File
-   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
-   * @atomicservice
-   * @since 11
-   */
-  /**
-   * Describe the unified image data
-   *
-   * @extends File
-   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
-   * @crossplatform
-   * @atomicservice
-   * @since 14
-   */
-  class Image extends File {
     /**
-     * URI of the local image or online image. The local image URI can be obtained using the getUriFromPath function.
+     * Indicates the url of a link
+     *
+     * @returns { string } the url of a link
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    get url(): string;
+
+    /**
+     * Indicates the url of a link
      *
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @since 10
      */
     /**
-     * URI of the local image or online image. The local image URI can be obtained using the getUriFromPath function.
+     * Indicates the url of a link
      *
      * @type { string }
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
@@ -962,7 +975,7 @@ declare namespace unifiedDataChannel {
      * @since 11
      */
     /**
-     * URI of the local image or online image. The local image URI can be obtained using the getUriFromPath function.
+     * Indicates the url of a link
      *
      * @type { string }
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
@@ -970,144 +983,142 @@ declare namespace unifiedDataChannel {
      * @atomicservice
      * @since 14
      */
-    imageUri: string;
-  }
+    /**
+     * Indicates the url of a link
+     *
+     * @param { string } the url of a link
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    set url(value: string);
 
-  /**
-   * Describe the unified video data
-   *
-   * @extends File
-   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
-   * @since 10
-   */
-  /**
-   * Describe the unified video data
-   *
-   * @extends File
-   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
-   * @atomicservice
-   * @since 11
-   */
-  /**
-   * Describe the unified video data
-   *
-   * @extends File
-   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
-   * @crossplatform
-   * @atomicservice
-   * @since 14
-   */
-  class Video extends File {
     /**
-     * URI of the local video or online video. The local video URI can be obtained using the getUriFromPath function.
+     * Indicates the description of a link
      *
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @since 10
      */
     /**
-     * URI of the local video or online video. The local video URI can be obtained using the getUriFromPath function.
+     * Indicates the description of a link
      *
-     * @type { string }
+     * @type { ?string }
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @atomicservice
      * @since 11
      */
     /**
-     * URI of the local video or online video. The local video URI can be obtained using the getUriFromPath function.
+     * Indicates the description of a link
      *
-     * @type { string }
+     * @type { ?string }
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @crossplatform
      * @atomicservice
      * @since 14
      */
-    videoUri: string;
-  }
+    description?: string;
 
-  /**
-   * Describe the unified audio data
-   *
-   * @extends File
-   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
-   * @since 10
-   */
-  /**
-   * Describe the unified audio data
-   *
-   * @extends File
-   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
-   * @atomicservice
-   * @since 11
-   */
-  /**
-   * Describe the unified audio data
-   *
-   * @extends File
-   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
-   * @crossplatform
-   * @atomicservice
-   * @since 14
-   */
-  class Audio extends File {
     /**
-     * URI of the local audio or online audio. The local audio URI can be obtained using the getUriFromPath function.
+     * Indicates the description of a link
      *
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @since 10
      */
     /**
-     * URI of the local audio or online audio. The local audio URI can be obtained using the getUriFromPath function.
+     * Indicates the description of a link
      *
-     * @type { string }
+     * @type { ?string }
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @atomicservice
      * @since 11
      */
     /**
-     * URI of the local audio or online audio. The local audio URI can be obtained using the getUriFromPath function.
+     * Indicates the description of a link
      *
-     * @type { string }
+     * @type { ?string }
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @crossplatform
      * @atomicservice
      * @since 14
      */
-    audioUri: string;
+    /**
+     * Indicates the description of a link
+     *
+     * @returns { string | undefined } the description of a link.
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    get description(): string | undefined;
+
+    /**
+     * Indicates the description of a link.
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * Indicates the description of a link
+     *
+     * @type { ?string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+    /**
+     * Indicates the description of a link
+     *
+     * @type { ?string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @crossplatform
+     * @atomicservice
+     * @since 14
+     */
+    /**
+     * Indicates the description of a link
+     *
+     * @param { string | undefined } the description of a link
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    set description(value: string | undefined);
   }
 
   /**
-   * Describe the unified folder data
+   * Describe the unified html data
    *
-   * @extends File
+   * @extends Text
    * @syscap SystemCapability.DistributedDataManager.UDMF.Core
    * @since 10
    */
   /**
-   * Describe the unified folder data
+   * Describe the unified html data
    *
-   * @extends File
+   * @extends Text
    * @syscap SystemCapability.DistributedDataManager.UDMF.Core
    * @atomicservice
    * @since 11
    */
   /**
-   * Describe the unified folder data
+   * Describe the unified html data
    *
-   * @extends File
+   * @extends Text
    * @syscap SystemCapability.DistributedDataManager.UDMF.Core
    * @crossplatform
    * @atomicservice
-   * @since 14
+   * @since arkts {'1.1':'14', '1.2':'20'}
+   * @arkts 1.1&1.2
    */
-  class Folder extends File {
+  class HTML extends Text {
     /**
-     * URI of the local folder or online folder. The local folder URI can be obtained using the getUriFromPath function.
+     * Indicates the content of html, with html tags
      *
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @since 10
      */
     /**
-     * URI of the local folder or online folder. The local folder URI can be obtained using the getUriFromPath function.
+     * Indicates the content of html, with html tags
      *
      * @type { string }
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
@@ -1115,7 +1126,7 @@ declare namespace unifiedDataChannel {
      * @since 11
      */
     /**
-     * URI of the local folder or online folder. The local folder URI can be obtained using the getUriFromPath function.
+     * Indicates the content of html, with html tags
      *
      * @type { string }
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
@@ -1123,137 +1134,1269 @@ declare namespace unifiedDataChannel {
      * @atomicservice
      * @since 14
      */
-    folderUri: string;
-  }
+    htmlContent: string;
 
-  /**
-   * Describe system defined type data(this kind of data is provided and bound to OpenHarmony,
-   * also can be parsed by system provided API)
-   *
-   * @extends UnifiedRecord
-   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
-   * @since 10
-   */
-  /**
-   * Describe system defined type data(this kind of data is provided and bound to OpenHarmony,
-   * also can be parsed by system provided API)
-   *
-   * @extends UnifiedRecord
-   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
-   * @atomicservice
-   * @since 11
-   */
-  class SystemDefinedRecord extends UnifiedRecord {
     /**
-     * Indicates the details of system defined data
+     * Indicates the content of html, with html tags
      *
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @since 10
      */
     /**
-     * Indicates the details of system defined data
+     * Indicates the content of html, with html tags
      *
-     * @type { ?Record<string, number | string | Uint8Array> }
+     * @type { string }
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @atomicservice
      * @since 11
      */
-    details?: Record<string, number | string | Uint8Array>;
-  }
-
-  /**
-   * Describe system defined form data(this kind of data is provided and bound to OpenHarmony,
-   * also can be parsed by system provided API)
-   *
-   * @extends SystemDefinedRecord
-   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
-   * @since 10
-   */
-  /**
-   * Describe system defined form data(this kind of data is provided and bound to OpenHarmony,
-   * also can be parsed by system provided API)
-   *
-   * @extends SystemDefinedRecord
-   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
-   * @atomicservice
-   * @since 11
-   */
-  class SystemDefinedForm extends SystemDefinedRecord {
     /**
-     * Indicates the id of form
+     * Indicates the content of html, with html tags
      *
+     * @type { string }
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
-     * @since 10
+     * @crossplatform
+     * @atomicservice
+     * @since 14
      */
     /**
-     * Indicates the id of form
+     * Indicates the content of html, with html tags
      *
-     * @type { number }
+     * @returns { string } the content of html
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
-     * @atomicservice
-     * @since 11
+     * @since 20
+     * @arkts 1.2
      */
-    formId: number;
+    get htmlContent(): string;
+
     /**
-     * Indicates the name of form
+     * Indicates the content of html, with html tags
      *
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @since 10
      */
     /**
-     * Indicates the name of form
+     * Indicates the content of html, with html tags
      *
      * @type { string }
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @atomicservice
      * @since 11
      */
-    formName: string;
     /**
-     * Indicates the bundle name of form
+     * Indicates the content of html, with html tags
      *
+     * @type { string }
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
-     * @since 10
+     * @crossplatform
+     * @atomicservice
+     * @since 14
      */
     /**
-     * Indicates the bundle name of form
+     * Indicates the content of html, with html tags
      *
-     * @type { string }
+     * @param { string } the content of html
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
-     * @atomicservice
-     * @since 11
+     * @since 20
+     * @arkts 1.2
      */
-    bundleName: string;
+    set htmlContent(value: string);
+
     /**
-     * Indicates the ability name of form
+     * Indicates the plain content of html
      *
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @since 10
      */
     /**
-     * Indicates the ability name of form
+     * Indicates the plain content of html
      *
-     * @type { string }
+     * @type { ?string }
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @atomicservice
      * @since 11
      */
-    abilityName: string;
     /**
-     * Indicates the module of form
+     * Indicates the plain content of html
+     *
+     * @type { ?string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @crossplatform
+     * @atomicservice
+     * @since 14
+     */
+    plainContent?: string;
+
+    /**
+     * Indicates the plain content of html
      *
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @since 10
      */
     /**
-     * Indicates the module of form
+     * Indicates the plain content of html
      *
-     * @type { string }
+     * @type { ?string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+    /**
+     * Indicates the plain content of html
+     *
+     * @type { ?string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @crossplatform
+     * @atomicservice
+     * @since 14
+     */
+    /**
+     * Indicates the plain content of html
+     *
+     * @returns { string | undefined } the plain content of html
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    get plainContent(): string | undefined;
+
+    /**
+     * Indicates the plain content of html
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * Indicates the plain content of html
+     *
+     * @type { ?string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+    /**
+     * Indicates the plain content of html
+     *
+     * @type { ?string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @crossplatform
+     * @atomicservice
+     * @since 14
+     */
+    /**
+     * Indicates the plain content of html
+     *
+     * @param { string | undefined} the plain content of html
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    set plainContent(value: string | undefined);
+  }
+
+  /**
+   * Describe the unified file data
+   *
+   * @extends UnifiedRecord
+   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+   * @since 10
+   */
+  /**
+   * Describe the unified file data
+   *
+   * @extends UnifiedRecord
+   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+   * @atomicservice
+   * @since 11
+   */
+  /**
+   * Describe the unified file data
+   *
+   * @extends UnifiedRecord
+   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+   * @crossplatform
+   * @atomicservice
+   * @since arkts {'1.1':'14', '1.2':'20'}
+   * @arkts 1.1&1.2
+   */
+  class File extends UnifiedRecord {
+    /**
+     * Indicates the details of unified File
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * Indicates the details of unified File
+     *
+     * @type { ?Record<string, string> }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+    /**
+     * Indicates the details of unified File
+     *
+     * @type { ?Record<string, string> }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @crossplatform
+     * @atomicservice
+     * @since 14
+     */
+    details?: Record<string, string>;
+
+    /**
+     * Indicates the details of unified File
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * Indicates the details of unified File
+     *
+     * @type { ?Record<string, string> }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+    /**
+     * Indicates the details of unified File
+     *
+     * @type { ?Record<string, string> }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @crossplatform
+     * @atomicservice
+     * @since 14
+     */
+    /**
+     * Indicates the details of unified File
+     *
+     * @returns { Record<string, string> | undefined } the details of unified File
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    get details(): Record<string, string> | undefined;
+
+    /**
+     * Indicates the details of unified File
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * Indicates the details of unified File
+     *
+     * @type { ?Record<string, string> }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+    /**
+     * Indicates the details of unified File
+     *
+     * @type { ?Record<string, string> }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @crossplatform
+     * @atomicservice
+     * @since 14
+     */
+    /**
+     * Indicates the details of unified File
+     *
+     * @param { Record<string, string> | undefined} the details of unified File
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    set details(value: Record<string, string> | undefined);
+
+    /**
+     * URI of the local file or online file. The local file URI can be obtained using the getUriFromPath function.
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * URI of the local file or online file. The local file URI can be obtained using the getUriFromPath function.
+     *
+     * @type { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+    /**
+     * URI of the local file or online file. The local file URI can be obtained using the getUriFromPath function.
+     *
+     * @type { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @crossplatform
+     * @atomicservice
+     * @since 14
+     */
+    uri: string;
+  
+    /**
+     * Indicates the uri of file
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * Indicates the uri of file
+     *
+     * @type { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+    /**
+     * Indicates the uri of file
+     *
+     * @type { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @crossplatform
+     * @atomicservice
+     * @since 14
+     */
+    /**
+     * Indicates the uri of file
+     *
+     * @returns { string } the uri of file
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    get uri(): string;
+
+    /**
+     * Indicates the uri of file
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * Indicates the uri of file
+     *
+     * @type { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+    /**
+     * Indicates the uri of file
+     *
+     * @type { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @crossplatform
+     * @atomicservice
+     * @since 14
+     */
+    /**
+     * Indicates the uri of file
+     *
+     * @param { string } the uri of file
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    set uri(value: string);
+  }
+
+  /**
+   * Describe the unified image data
+   *
+   * @extends File
+   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+   * @since 10
+   */
+  /**
+   * Describe the unified image data
+   *
+   * @extends File
+   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+   * @atomicservice
+   * @since 11
+   */
+  /**
+   * Describe the unified image data
+   *
+   * @extends File
+   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+   * @crossplatform
+   * @atomicservice
+   * @since arkts {'1.1':'14', '1.2':'20'}
+   * @arkts 1.1&1.2
+   */
+  class Image extends File {
+    /**
+     * URI of the local image or online image. The local image URI can be obtained using the getUriFromPath function.
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * URI of the local image or online image. The local image URI can be obtained using the getUriFromPath function.
+     *
+     * @type { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+    /**
+     * URI of the local image or online image. The local image URI can be obtained using the getUriFromPath function.
+     *
+     * @type { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @crossplatform
+     * @atomicservice
+     * @since 14
+     */
+    imageUri: string;
+
+    /**
+     * Indicates the uri of image
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * Indicates the uri of image
+     *
+     * @type { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+    /**
+     * Indicates the uri of image
+     *
+     * @type { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @crossplatform
+     * @atomicservice
+     * @since 14
+     */
+    /**
+     * Indicates the uri of image
+     *
+     * @returns { string } the uri of image
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    get imageUri(): string;
+
+    /**
+     * Indicates the uri of image
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * Indicates the uri of image
+     *
+     * @type { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+    /**
+     * Indicates the uri of image
+     *
+     * @type { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @crossplatform
+     * @atomicservice
+     * @since 14
+     */
+    /**
+     * Indicates the uri of image
+     *
+     * @param { string } the uri of image
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    set imageUri(value: string);
+  }
+
+  /**
+   * Describe the unified video data
+   *
+   * @extends File
+   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+   * @since 10
+   */
+  /**
+   * Describe the unified video data
+   *
+   * @extends File
+   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+   * @atomicservice
+   * @since 11
+   */
+  /**
+   * Describe the unified video data
+   *
+   * @extends File
+   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+   * @crossplatform
+   * @atomicservice
+   * @since arkts {'1.1':'14', '1.2':'20'}
+   * @arkts 1.1&1.2
+   */
+  class Video extends File {
+    /**
+     * URI of the local video or online video. The local video URI can be obtained using the getUriFromPath function.
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * URI of the local video or online video. The local video URI can be obtained using the getUriFromPath function.
+     *
+     * @type { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+    /**
+     * URI of the local video or online video. The local video URI can be obtained using the getUriFromPath function.
+     *
+     * @type { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @crossplatform
+     * @atomicservice
+     * @since 14
+     */
+    videoUri: string;
+
+    /**
+     * Indicates the uri of video
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * Indicates the uri of video
+     *
+     * @type { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+    /**
+     * Indicates the uri of video
+     *
+     * @type { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @crossplatform
+     * @atomicservice
+     * @since 14
+     */
+    /**
+     * Indicates the uri of video
+     *
+     * @returns { string } the uri of video
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    get videoUri(): string;
+
+    /**
+     * Indicates the uri of video
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * Indicates the uri of video
+     *
+     * @type { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+    /**
+     * Indicates the uri of video
+     *
+     * @type { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @crossplatform
+     * @atomicservice
+     * @since 14
+     */
+    /**
+     * Indicates the uri of video
+     *
+     * @param { string } the uri of video
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    set videoUri(value: string);
+  }
+
+  /**
+   * Describe the unified audio data
+   *
+   * @extends File
+   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+   * @since 10
+   */
+  /**
+   * Describe the unified audio data
+   *
+   * @extends File
+   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+   * @atomicservice
+   * @since 11
+   */
+  /**
+   * Describe the unified audio data
+   *
+   * @extends File
+   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+   * @crossplatform
+   * @atomicservice
+   * @since arkts {'1.1':'14', '1.2':'20'}
+   * @arkts 1.1&1.2
+   */
+  class Audio extends File {
+    /**
+     * URI of the local audio or online audio. The local audio URI can be obtained using the getUriFromPath function.
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * URI of the local audio or online audio. The local audio URI can be obtained using the getUriFromPath function.
+     *
+     * @type { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+    /**
+     * URI of the local audio or online audio. The local audio URI can be obtained using the getUriFromPath function.
+     *
+     * @type { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @crossplatform
+     * @atomicservice
+     * @since 14
+     */
+    audioUri: string;
+
+    /**
+     * Indicates the uri of audio
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * Indicates the uri of audio
+     *
+     * @type { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+    /**
+     * Indicates the uri of audio
+     *
+     * @type { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @crossplatform
+     * @atomicservice
+     * @since 14
+     */
+    /**
+     * Indicates the uri of audio
+     *
+     * @returns { string } the uri of audio
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    get audioUri(): string;
+
+    /**
+     * Indicates the uri of audio
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * Indicates the uri of audio
+     *
+     * @type { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+    /**
+     * Indicates the uri of audio
+     *
+     * @type { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @crossplatform
+     * @atomicservice
+     * @since 14
+     */
+    /**
+     * Indicates the uri of audio
+     *
+     * @param { string } the uri of audio
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    set audioUri(value: string);
+  }
+
+  /**
+   * Describe the unified folder data
+   *
+   * @extends File
+   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+   * @since 10
+   */
+  /**
+   * Describe the unified folder data
+   *
+   * @extends File
+   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+   * @atomicservice
+   * @since 11
+   */
+  /**
+   * Describe the unified folder data
+   *
+   * @extends File
+   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+   * @crossplatform
+   * @atomicservice
+   * @since arkts {'1.1':'14', '1.2':'20'}
+   * @arkts 1.1&1.2
+   */
+  class Folder extends File {
+    /**
+     * URI of the local folder or online folder. The local folder URI can be obtained using the getUriFromPath function.
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * URI of the local folder or online folder. The local folder URI can be obtained using the getUriFromPath function.
+     *
+     * @type { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+    /**
+     * URI of the local folder or online folder. The local folder URI can be obtained using the getUriFromPath function.
+     *
+     * @type { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @crossplatform
+     * @atomicservice
+     * @since 14
+     */
+    folderUri: string;
+
+    /**
+     * Indicates the uri of folder
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * Indicates the uri of folder
+     *
+     * @type { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+    /**
+     * Indicates the uri of folder
+     *
+     * @type { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @crossplatform
+     * @atomicservice
+     * @since 14
+     */
+    /**
+     * Indicates the uri of folder
+     *
+     * @returns { string } the uri of folder
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    get folderUri(): string;
+
+    /**
+     * Indicates the uri of folder
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * Indicates the uri of folder
+     *
+     * @type { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+    /**
+     * Indicates the uri of folder
+     *
+     * @type { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @crossplatform
+     * @atomicservice
+     * @since 14
+     */
+    /**
+     * Indicates the uri of folder
+     *
+     * @param { string } the uri of folder
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    set folderUri(value: string);
+  }
+
+  /**
+   * Describe system defined type data(this kind of data is provided and bound to OpenHarmony,
+   * also can be parsed by system provided API)
+   *
+   * @extends UnifiedRecord
+   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+   * @since 10
+   */
+  /**
+   * Describe system defined type data(this kind of data is provided and bound to OpenHarmony,
+   * also can be parsed by system provided API)
+   *
+   * @extends UnifiedRecord
+   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+   * @atomicservice
+   * @since arkts {'1.1':'11', '1.2':'20'}
+   * @arkts 1.1&1.2
+   */
+  class SystemDefinedRecord extends UnifiedRecord {
+    /**
+     * Indicates the details of system defined data
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * Indicates the details of system defined data
+     *
+     * @type { ?Record<string, int | long | double | string | Uint8Array> }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+    details?: Record<string, int | long | double | string | Uint8Array>;
+
+    /**
+     * Indicates the details of system defined data
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * Indicates the details of system defined data
+     *
+     * @type { ?Record<string, int | long | double | string | Uint8Array> }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+    /**
+     * Indicates the details of system defined data
+     *
+     * @returns { Record<string, int | long | double | string | Uint8Array> | undefined } the details of system defined data
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    get details(): Record<string, int | long | double | string | Uint8Array> | undefined;
+  
+    /**
+     * Indicates the details of system defined data
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * Indicates the details of system defined data
+     *
+     * @type { ?Record<string, int | long | double | string | Uint8Array> }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+    /**
+     * Indicates the details of system defined data
+     *
+     * @param { Record<string, int | long | double | string | Uint8Array> | undefined } the details of system defined data
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    set details(value: Record<string, int | long | double | string | Uint8Array> | undefined);
+  }
+
+  /**
+   * Describe system defined form data(this kind of data is provided and bound to OpenHarmony,
+   * also can be parsed by system provided API)
+   *
+   * @extends SystemDefinedRecord
+   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+   * @since 10
+   */
+  /**
+   * Describe system defined form data(this kind of data is provided and bound to OpenHarmony,
+   * also can be parsed by system provided API)
+   *
+   * @extends SystemDefinedRecord
+   * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+   * @atomicservice
+   * @since arkts {'1.1':'11', '1.2':'20'}
+   * @arkts 1.1&1.2
+   */
+  class SystemDefinedForm extends SystemDefinedRecord {
+    /**
+     * Indicates the id of form
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * Indicates the id of form
+     *
+     * @type { int }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+    formId: int;
+
+    /**
+     * Indicates the id of form
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * Indicates the id of form
+     *
+     * @type { int }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+    /**
+     * Indicates the id of form
+     *
+     * @returns { int } the id of form
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    get formId(): int;
+
+    /**
+     * Indicates the id of form
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * Indicates the id of form
+     *
+     * @type { int }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+    /**
+     * Indicates the id of form
+     *
+     * @param { int } the id of form
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    set formId(value: int);
+
+    /**
+     * Indicates the name of form
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * Indicates the name of form
+     *
+     * @type { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+    formName: string;
+
+    /**
+     * Indicates the name of form
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * Indicates the name of form
+     *
+     * @type { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+    /**
+     * Indicates the name of form
+     *
+     * @returns { string } the name of form
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    get formName(): string;
+
+    /**
+     * Indicates the name of form
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * Indicates the name of form
+     *
+     * @type { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+    /**
+     * Indicates the name of form
+     *
+     * @param { string } the name of form
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    set formName(value: string);
+
+    /**
+     * Indicates the bundle name of form
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * Indicates the bundle name of form
+     *
+     * @type { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+    bundleName: string;
+  
+    /**
+     * Indicates the bundle name of form
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * Indicates the bundle name of form
+     *
+     * @type { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+    /**
+     * Indicates the bundle name of form
+     *
+     * @returns { string } the bundle name of form
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    get bundleName(): string;
+
+    /**
+     * Indicates the bundle name of form
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * Indicates the bundle name of form
+     *
+     * @type { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+    /**
+     * Indicates the bundle name of form
+     *
+     * @param { string } the bundle name of form
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    set bundleName(value: string);
+
+    /**
+     * Indicates the ability name of form
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * Indicates the ability name of form
+     *
+     * @type { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+    abilityName: string;
+
+    /**
+     * Indicates the ability name of form
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * Indicates the ability name of form
+     *
+     * @type { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+    /**
+     * Indicates the ability name of form
+     *
+     * @returns { string } the ability name of form
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    get abilityName(): string;
+
+    /**
+     * Indicates the ability name of form
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * Indicates the ability name of form
+     *
+     * @type { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+    /**
+     * Indicates the ability name of form
+     *
+     * @param { string } the ability name of form
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    set abilityName(value: string);
+
+    /**
+     * Indicates the module of form
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * Indicates the module of form
+     *
+     * @type { string }
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @atomicservice
      * @since 11
      */
     module: string;
+
+    /**
+     * Indicates the module of form
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * Indicates the module of form
+     *
+     * @type { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+    /**
+     * Indicates the module of form
+     *
+     * @returns { string } the module of form
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    get module(): string;
+
+    /**
+     * Indicates the module of form
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * Indicates the module of form
+     *
+     * @type { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+    /**
+     * Indicates the module of form
+     *
+     * @param { string } the module of form
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    set module(value: string);
   }
 
   /**
@@ -1271,7 +2414,8 @@ declare namespace unifiedDataChannel {
    * @extends SystemDefinedRecord
    * @syscap SystemCapability.DistributedDataManager.UDMF.Core
    * @atomicservice
-   * @since 11
+   * @since arkts {'1.1':'11', '1.2':'20'}
+   * @arkts 1.1&1.2
    */
   class SystemDefinedAppItem extends SystemDefinedRecord {
     /**
@@ -1281,74 +2425,359 @@ declare namespace unifiedDataChannel {
      * @since 10
      */
     /**
-     * Indicates the app id
+     * Indicates the app id
+     *
+     * @type { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+    appId: string;
+
+    /**
+     * Indicates the app id
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * Indicates the app id
+     *
+     * @type { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+    /**
+     * Indicates the app id
+     *
+     * @returns { string } the app id
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    get appId(): string;
+
+    /**
+     * Indicates the app id
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * Indicates the app id
+     *
+     * @type { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+    /**
+     * Indicates the app id
+     *
+     * @param { string } the app id
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    set appId(value: string);
+
+    /**
+     * Indicates the app name
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * Indicates the app name
+     *
+     * @type { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+    appName: string;
+
+    /**
+     * Indicates the app name
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * Indicates the app name
+     *
+     * @type { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+     /**
+     * Indicates the app name
+     *
+     * @returns { string } the app name
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    get appName(): string;
+
+    /**
+     * Indicates the app name
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * Indicates the app name
+     *
+     * @type { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+     /**
+     * Indicates the app name
+     *
+     * @param { string } the app name
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    set appName(value: string);
+
+    /**
+     * Indicates the id of app icon
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * Indicates the id of app icon
+     *
+     * @type { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+    appIconId: string;
+
+    /**
+     * Indicates the id of app icon
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * Indicates the id of app icon
+     *
+     * @type { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+    /**
+     * Indicates the id of app icon
+     *
+     * @returns { string } the id of app icon
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    get appIconId(): string;
+
+    /**
+     * Indicates the id of app icon
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * Indicates the id of app icon
+     *
+     * @type { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+    /**
+     * Indicates the id of app icon
+     *
+     * @param { string } the id of app icon
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    set appIconId(value: string);
+
+    /**
+     * Indicates the id of app label
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * Indicates the id of app label
+     *
+     * @type { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+    appLabelId: string;
+
+    /**
+     * Indicates the id of app label
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * Indicates the id of app label
+     *
+     * @type { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+    /**
+     * Indicates the id of app label
+     *
+     * @returns { string } the id of app label
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    get appLabelId(): string;
+
+    /**
+     * Indicates the id of app label
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * Indicates the id of app label
+     *
+     * @type { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+    /**
+     * Indicates the id of app label
+     *
+     * @param { string } the id of app label
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    set appLabelId(value: string);
+
+    /**
+     * Indicates the bundle name of app
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * Indicates the bundle name of app
      *
      * @type { string }
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @atomicservice
      * @since 11
      */
-    appId: string;
+    bundleName: string;
+
     /**
-     * Indicates the app name
+     * Indicates the bundle name of app
      *
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @since 10
      */
     /**
-     * Indicates the app name
+     * Indicates the bundle name of app
      *
      * @type { string }
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @atomicservice
      * @since 11
      */
-    appName: string;
     /**
-     * Indicates the id of app icon
+     * Indicates the bundle name of app
+     *
+     * @returns { string } the bundle name of app
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    get bundleName(): string;
+
+    /**
+     * Indicates the bundle name of app
      *
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @since 10
      */
     /**
-     * Indicates the id of app icon
+     * Indicates the bundle name of app
      *
      * @type { string }
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @atomicservice
      * @since 11
      */
-    appIconId: string;
     /**
-     * Indicates the id of app label
+     * Indicates the bundle name of app
+     *
+     * @param { string } the bundle name of app
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    set bundleName(value: string);
+
+    /**
+     * Indicates the ability name of app
      *
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @since 10
      */
     /**
-     * Indicates the id of app label
+     * Indicates the ability name of app
      *
      * @type { string }
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @atomicservice
      * @since 11
      */
-    appLabelId: string;
+    abilityName: string;
+
     /**
-     * Indicates the bundle name of app
+     * Indicates the ability name of app
      *
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @since 10
      */
     /**
-     * Indicates the bundle name of app
+     * Indicates the ability name of app
      *
      * @type { string }
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @atomicservice
      * @since 11
      */
-    bundleName: string;
+    /**
+     * Indicates the ability name of app
+     *
+     * @returns { string } the ability name of app
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    get abilityName(): string;
+
     /**
      * Indicates the ability name of app
      *
@@ -1363,7 +2792,15 @@ declare namespace unifiedDataChannel {
      * @atomicservice
      * @since 11
      */
-    abilityName: string;
+    /**
+     * Indicates the ability name of app
+     *
+     * @param { string } the ability name of app
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    set abilityName(value: string);
   }
 
   /**
@@ -1381,7 +2818,8 @@ declare namespace unifiedDataChannel {
    * @extends SystemDefinedRecord
    * @syscap SystemCapability.DistributedDataManager.UDMF.Core
    * @atomicservice
-   * @since 11
+   * @since arkts {'1.1':'11', '1.2':'20'}
+   * @arkts 1.1&1.2
    */
   class SystemDefinedPixelMap extends SystemDefinedRecord {
     /**
@@ -1399,6 +2837,54 @@ declare namespace unifiedDataChannel {
      * @since 11
      */
     rawData: Uint8Array;
+
+    /**
+     * Indicates the raw data of pixel map
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * Indicates the raw data of pixel map
+     *
+     * @type { Uint8Array }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+    /**
+     * Indicates the raw data of pixel map
+     *
+     * @returns { Uint8Array } the raw data of pixel map
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    get rawData(): Uint8Array;
+
+    /**
+     * Indicates the raw data of pixel map
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * Indicates the raw data of pixel map
+     *
+     * @type { Uint8Array }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+    /**
+     * Indicates the raw data of pixel map
+     *
+     * @param { Uint8Array } the raw data of pixel map
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    set rawData(value: Uint8Array);
   }
 
   /**
@@ -1416,7 +2902,8 @@ declare namespace unifiedDataChannel {
    * @extends UnifiedRecord
    * @syscap SystemCapability.DistributedDataManager.UDMF.Core
    * @atomicservice
-   * @since 11
+   * @since arkts {'1.1':'11', '1.2':'20'}
+   * @arkts 1.1&1.2
    */
   class ApplicationDefinedRecord extends UnifiedRecord {
     /**
@@ -1436,6 +2923,61 @@ declare namespace unifiedDataChannel {
      * @since 11
      */
     applicationDefinedType: string;
+
+    /**
+     * Indicates the type of data, should always be started with 'ApplicationDefined.', will
+     * return error otherwise
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * Indicates the type of data, should always be started with 'ApplicationDefined.', will
+     * return error otherwise
+     *
+     * @type { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+    /**
+     * Indicates the type of data, should always be started with 'ApplicationDefined.', will
+     * return error otherwise
+     *
+     * @returns { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    get applicationDefinedType(): string;
+
+    /**
+     * Indicates the type of data, should always be started with 'ApplicationDefined.', will
+     * return error otherwise
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * Indicates the type of data, should always be started with 'ApplicationDefined.', will
+     * return error otherwise
+     *
+     * @type { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+    /**
+     * Indicates the type of data, should always be started with 'ApplicationDefined.', will
+     * return error otherwise
+     *
+     * @oaram { string }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    set applicationDefinedType(value: string);
+
     /**
      * Indicates the raw data of application defined data
      *
@@ -1451,6 +2993,54 @@ declare namespace unifiedDataChannel {
      * @since 11
      */
     rawData: Uint8Array;
+
+    /**
+     * Indicates the raw data of application defined data
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * Indicates the raw data of application defined data
+     *
+     * @type { Uint8Array }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+    /**
+     * Indicates the raw data of application defined data
+     *
+     * @returns { Uint8Array }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    get rawData(): Uint8Array;
+
+    /**
+     * Indicates the raw data of application defined data
+     *
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 10
+     */
+    /**
+     * Indicates the raw data of application defined data
+     *
+     * @type { Uint8Array }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @atomicservice
+     * @since 11
+     */
+    /**
+     * Indicates the raw data of application defined data
+     *
+     * @param { Uint8Array }
+     * @syscap SystemCapability.DistributedDataManager.UDMF.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    set rawData(value: Uint8Array);
   }
 
   /**
@@ -1466,7 +3056,8 @@ declare namespace unifiedDataChannel {
    * @enum { string }
    * @syscap SystemCapability.DistributedDataManager.UDMF.Core
    * @atomicservice
-   * @since 11
+   * @since arkts {'1.1':'11', '1.2':'20'}
+   * @arkts 1.1&1.2
    */
   enum Intention {
     /**
@@ -1480,7 +3071,8 @@ declare namespace unifiedDataChannel {
      *
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @atomicservice
-     * @since 11
+     * @since arkts {'1.1':'11', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
     DATA_HUB = 'DataHub',
 
@@ -1532,7 +3124,7 @@ declare namespace unifiedDataChannel {
   /**
    * Describe the visibility range of data
    *
-   * @enum { number }
+   * @enum { int }
    * @syscap SystemCapability.DistributedDataManager.UDMF.Core
    * @atomicservice
    * @since 20
@@ -1574,10 +3166,11 @@ declare namespace unifiedDataChannel {
   /**
    * Describe the optional arguments of data operation
    *
-   * @interface { Options }
+   * @typedef { Options }
    * @syscap SystemCapability.DistributedDataManager.UDMF.Core
    * @atomicservice
    * @since 20
+   * @arkts 1.1&1.2
    */
   interface Options {
     /**
@@ -1600,6 +3193,7 @@ declare namespace unifiedDataChannel {
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @atomicservice
      * @since 20
+     * @arkts 1.1&1.2
      */
     intention?: Intention;
 
@@ -1623,6 +3217,7 @@ declare namespace unifiedDataChannel {
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @atomicservice
      * @since 20
+     * @arkts 1.1&1.2
      */
     key?: string;
 
@@ -1641,10 +3236,11 @@ declare namespace unifiedDataChannel {
   /**
    * Defines the types of file conflict options when getting data from the UDMF.
    *
-   * @enum { number }
+   * @enum { int }
    * @syscap SystemCapability.DistributedDataManager.UDMF.Core
    * @atomicservice
-   * @since 15
+   * @since arkts {'1.1':'15', '1.2':'20'}
+   * @arkts 1.1&1.2
    */
   enum FileConflictOptions {
     /**
@@ -1652,7 +3248,8 @@ declare namespace unifiedDataChannel {
      *
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @atomicservice
-     * @since 15
+     * @since arkts {'1.1':'15', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
     OVERWRITE,
 
@@ -1661,7 +3258,8 @@ declare namespace unifiedDataChannel {
      *
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @atomicservice
-     * @since 15
+     * @since arkts {'1.1':'15', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
     SKIP
   }
@@ -1669,10 +3267,11 @@ declare namespace unifiedDataChannel {
   /**
    * Defines the types of progress indicator when getting data from the UDMF.
    *
-   * @enum { number }
+   * @enum { int }
    * @syscap SystemCapability.DistributedDataManager.UDMF.Core
    * @atomicservice
-   * @since 15
+   * @since arkts {'1.1':'15', '1.2':'20'}
+   * @arkts 1.1&1.2
    */
   enum ProgressIndicator {
     /**
@@ -1680,7 +3279,8 @@ declare namespace unifiedDataChannel {
      *
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @atomicservice
-     * @since 15
+     * @since arkts {'1.1':'15', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
     NONE,
 
@@ -1689,7 +3289,8 @@ declare namespace unifiedDataChannel {
      *
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @atomicservice
-     * @since 15
+     * @since arkts {'1.1':'15', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
     DEFAULT
   }
@@ -1697,10 +3298,11 @@ declare namespace unifiedDataChannel {
   /**
    * Defines the listener status of obtaining progress and data.
    *
-   * @enum { number }
+   * @enum { int }
    * @syscap SystemCapability.DistributedDataManager.UDMF.Core
    * @atomicservice
-   * @since 15
+   * @since arkts {'1.1':'15', '1.2':'20'}
+   * @arkts 1.1&1.2
    */
   enum ListenerStatus {
     /**
@@ -1708,7 +3310,8 @@ declare namespace unifiedDataChannel {
      *
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @atomicservice
-     * @since 15
+     * @since arkts {'1.1':'15', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
     FINISHED = 0,
 
@@ -1717,7 +3320,8 @@ declare namespace unifiedDataChannel {
      *
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @atomicservice
-     * @since 15
+     * @since arkts {'1.1':'15', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
     PROCESSING,
 
@@ -1726,7 +3330,8 @@ declare namespace unifiedDataChannel {
      *
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @atomicservice
-     * @since 15
+     * @since arkts {'1.1':'15', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
     CANCELED,
 
@@ -1735,7 +3340,8 @@ declare namespace unifiedDataChannel {
      *
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @atomicservice
-     * @since 15
+     * @since arkts {'1.1':'15', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
     INNER_ERROR = 200,
 
@@ -1744,7 +3350,8 @@ declare namespace unifiedDataChannel {
      *
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @atomicservice
-     * @since 15
+     * @since arkts {'1.1':'15', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
     INVALID_PARAMETERS,
 
@@ -1753,7 +3360,8 @@ declare namespace unifiedDataChannel {
      *
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @atomicservice
-     * @since 15
+     * @since arkts {'1.1':'15', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
     DATA_NOT_FOUND,
 
@@ -1762,7 +3370,8 @@ declare namespace unifiedDataChannel {
      *
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @atomicservice
-     * @since 15
+     * @since arkts {'1.1':'15', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
     SYNC_FAILED,
 
@@ -1771,7 +3380,8 @@ declare namespace unifiedDataChannel {
      *
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @atomicservice
-     * @since 15
+     * @since arkts {'1.1':'15', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
     COPY_FILE_FAILED,
   }
@@ -1782,18 +3392,20 @@ declare namespace unifiedDataChannel {
    * @interface ProgressInfo
    * @syscap SystemCapability.DistributedDataManager.UDMF.Core
    * @atomicservice
-   * @since 15
+   * @since arkts {'1.1':'15', '1.2':'20'}
+   * @arkts 1.1&1.2
    */
   interface ProgressInfo {
     /**
      * Indicates the UDMF processing progress.
      *
-     * @type { number }
+     * @type { int }
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @atomicservice
-     * @since 15
+     * @since arkts {'1.1':'15', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
-    progress: number;
+    progress: int;
 
     /**
      * Indicates the status of obtaining progress and data.
@@ -1801,7 +3413,8 @@ declare namespace unifiedDataChannel {
      * @type { ListenerStatus }
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @atomicservice
-     * @since 15
+     * @since arkts {'1.1':'15', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
     status: ListenerStatus;
   }
@@ -1814,7 +3427,8 @@ declare namespace unifiedDataChannel {
    * @param { UnifiedData | null } data - Data obtained when the progress reaches 100%.
    * @syscap SystemCapability.DistributedDataManager.UDMF.Core
    * @atomicservice
-   * @since 15
+   * @since arkts {'1.1':'15', '1.2':'20'}
+   * @arkts 1.1&1.2
    */
   type DataProgressListener = (progressInfo: ProgressInfo, data: UnifiedData | null) => void;
 
@@ -1824,7 +3438,8 @@ declare namespace unifiedDataChannel {
    * @interface GetDataParams
    * @syscap SystemCapability.DistributedDataManager.UDMF.Core
    * @atomicservice
-   * @since 15
+   * @since arkts {'1.1':'15', '1.2':'20'}
+   * @arkts 1.1&1.2
    */
   interface GetDataParams {
     /**
@@ -1833,7 +3448,8 @@ declare namespace unifiedDataChannel {
      * @type { ProgressIndicator }
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @atomicservice
-     * @since 15
+     * @since arkts {'1.1':'15', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
     progressIndicator: ProgressIndicator;
 
@@ -1843,7 +3459,8 @@ declare namespace unifiedDataChannel {
      * @type { DataProgressListener }
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @atomicservice
-     * @since 15
+     * @since arkts {'1.1':'15', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
     dataProgressListener: DataProgressListener;
 
@@ -1853,7 +3470,8 @@ declare namespace unifiedDataChannel {
      * @type { string }
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @atomicservice
-     * @since 15
+     * @since arkts {'1.1':'15', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
     destUri?: string;
 
@@ -1863,7 +3481,8 @@ declare namespace unifiedDataChannel {
      * @type { FileConflictOptions }
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @atomicservice
-     * @since 15
+     * @since arkts {'1.1':'15', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
     fileConflictOptions?: FileConflictOptions;
 
@@ -1901,12 +3520,12 @@ declare namespace unifiedDataChannel {
     /**
      * Indicates the maximum number of data records to be loaded.
      *
-     * @type { ?number }
+     * @type { ?long }
      * @syscap SystemCapability.DistributedDataManager.UDMF.Core
      * @atomicservice
      * @since 20
      */
-    recordCount?: number;
+    recordCount?: long;
   }
 
   /**
@@ -1971,7 +3590,8 @@ declare namespace unifiedDataChannel {
    * <br>2.Incorrect parameters types.
    * @syscap SystemCapability.DistributedDataManager.UDMF.Core
    * @atomicservice
-   * @since 11
+   * @since arkts {'1.1':'11', '1.2':'20'}
+   * @arkts 1.1&1.2
    */
   function insertData(options: Options, data: UnifiedData, callback: AsyncCallback<string>): void;
 
@@ -1996,7 +3616,8 @@ declare namespace unifiedDataChannel {
    * <br>2.Incorrect parameters types.
    * @syscap SystemCapability.DistributedDataManager.UDMF.Core
    * @atomicservice
-   * @since 11
+   * @since arkts {'1.1':'11', '1.2':'20'}
+   * @arkts 1.1&1.2
    */
   function insertData(options: Options, data: UnifiedData): Promise<string>;
 
@@ -2073,7 +3694,8 @@ declare namespace unifiedDataChannel {
    * <br>2.Incorrect parameters types.
    * @syscap SystemCapability.DistributedDataManager.UDMF.Core
    * @atomicservice
-   * @since 11
+   * @since arkts {'1.1':'11', '1.2':'20'}
+   * @arkts 1.1&1.2
    */
   function queryData(options: Options, callback: AsyncCallback<Array<UnifiedData>>): void;
 
@@ -2098,7 +3720,8 @@ declare namespace unifiedDataChannel {
    * <br>2.Incorrect parameters types.
    * @syscap SystemCapability.DistributedDataManager.UDMF.Core
    * @atomicservice
-   * @since 11
+   * @since arkts {'1.1':'11', '1.2':'20'}
+   * @arkts 1.1&1.2
    */
   function queryData(options: Options): Promise<Array<UnifiedData>>;