diff --git a/api/@ohos.multimedia.camera.d.ts b/api/@ohos.multimedia.camera.d.ts
index a8d27470139d527f40b57b4ab97abdd095d7dace..77990f3f821965b2f6be546dc93b64e8763a9681 100644
--- a/api/@ohos.multimedia.camera.d.ts
+++ b/api/@ohos.multimedia.camera.d.ts
@@ -475,6 +475,41 @@ declare namespace camera {
     readonly supportedMetadataObjectTypes: Array<MetadataObjectType>;
   }
 
+  /**
+   * Control center status info.
+   *
+   * @typedef ControlCenterStatusInfo
+   * @syscap SystemCapability.Multimedia.Camera.Core
+   * @atomicservice
+   * @since 20
+   * @arkts 1.1&1.2
+   */
+  interface ControlCenterStatusInfo {
+    /**
+     * Control center effect type.
+     *
+     * @type { ControlCenterEffectType }
+     * @readonly
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @atomicservice
+     * @since 20
+     * @arkts 1.1&1.2
+     */
+    readonly effectType: ControlCenterEffectType;
+   
+    /**
+     * If effect type is active.
+     *
+     * @type { boolean }
+     * @readonly
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @atomicservice
+     * @since 20
+     * @arkts 1.1&1.2
+     */
+    readonly isActive: boolean;
+  }
+
   /**
    * Enum for camera error code.
    *
@@ -5866,6 +5901,36 @@ declare namespace camera {
      */
     BLACK_WHITE = 3
   }
+  
+  /**
+   * Enumerates the control center effect types.
+   *
+   * @enum { int }
+   * @syscap SystemCapability.Multimedia.Camera.Core
+   * @atomicservice
+   * @since 20
+   * @arkts 1.1&1.2
+   */
+  enum ControlCenterEffectType {
+    /**
+     * Beauty type.
+     *
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @atomicservice
+     * @since 20
+     * @arkts 1.1&1.2
+     */
+    BEAUTY = 0,
+    /**
+     * Portrait type.
+     *
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @atomicservice
+     * @since 20
+     * @arkts 1.1&1.2
+     */
+    PORTRAIT = 1
+  }
 
   /**
    * Enum for policy type
@@ -8386,8 +8451,7 @@ declare namespace camera {
      * @param { ErrorCallback } callback - Callback used to get the capture session errors.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @atomicservice
-     * @since arkts {'1.1':'19','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 19
      */
     on(type: 'error', callback: ErrorCallback): void;
 
@@ -8406,8 +8470,7 @@ declare namespace camera {
      * @param { ErrorCallback } callback - Callback used to get the capture session errors.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @atomicservice
-     * @since arkts {'1.1':'19','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 19
      */
     off(type: 'error', callback?: ErrorCallback): void;
 
@@ -8430,8 +8493,7 @@ declare namespace camera {
      * @param { AsyncCallback<FocusState> } callback - Callback used to get the focus state change.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @atomicservice
-     * @since arkts {'1.1':'19','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 19
      */
     on(type: 'focusStateChange', callback: AsyncCallback<FocusState>): void;
 
@@ -8450,8 +8512,7 @@ declare namespace camera {
      * @param { AsyncCallback<FocusState> } callback - Callback used to get the focus state change.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @atomicservice
-     * @since arkts {'1.1':'19','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 19
      */
     off(type: 'focusStateChange', callback?: AsyncCallback<FocusState>): void;
 
@@ -8474,8 +8535,7 @@ declare namespace camera {
      * @param { AsyncCallback<SmoothZoomInfo> } callback - Callback used to get the zoom info.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @atomicservice
-     * @since arkts {'1.1':'19','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 19
      */
     on(type: 'smoothZoomInfoAvailable', callback: AsyncCallback<SmoothZoomInfo>): void;
 
@@ -8494,8 +8554,7 @@ declare namespace camera {
      * @param { AsyncCallback<SmoothZoomInfo> } callback - Callback used to get the zoom info.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @atomicservice
-     * @since arkts {'1.1':'19','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 19
      */
     off(type: 'smoothZoomInfoAvailable', callback?: AsyncCallback<SmoothZoomInfo>): void;
 
@@ -8507,8 +8566,7 @@ declare namespace camera {
      * @throws { BusinessError } 202 - Not System Application.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'11','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 11
      */
     on(type: 'macroStatusChanged', callback: AsyncCallback<boolean>): void;
 
@@ -8520,8 +8578,7 @@ declare namespace camera {
      * @throws { BusinessError } 202 - Not System Application.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'11','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 11
      */
     off(type: 'macroStatusChanged', callback?: AsyncCallback<boolean>): void;
 
@@ -8533,8 +8590,7 @@ declare namespace camera {
      * @throws { BusinessError } 202 - Not System Application.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'13','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 13
      */
     on(type: 'lcdFlashStatus', callback: AsyncCallback<LcdFlashStatus>): void;
 
@@ -8546,8 +8602,7 @@ declare namespace camera {
      * @throws { BusinessError } 202 - Not System Application.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'13','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 13
      */
     off(type: 'lcdFlashStatus', callback?: AsyncCallback<LcdFlashStatus>): void;
 
@@ -8571,8 +8626,7 @@ declare namespace camera {
      * @param { AsyncCallback<AutoDeviceSwitchStatus> } callback - Callback used to return the result.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @atomicservice
-     * @since arkts {'1.1':'19','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 19
      */
     on(type: 'autoDeviceSwitchStatusChange', callback: AsyncCallback<AutoDeviceSwitchStatus>): void;
 
@@ -8591,8 +8645,7 @@ declare namespace camera {
      * @param { AsyncCallback<AutoDeviceSwitchStatus> } callback - Callback used to return the result.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @atomicservice
-     * @since arkts {'1.1':'19','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 19
      */
     off(type: 'autoDeviceSwitchStatusChange', callback?: AsyncCallback<AutoDeviceSwitchStatus>): void;
 
@@ -8604,8 +8657,7 @@ declare namespace camera {
      * @throws { BusinessError } 202 - Not System Application.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'15','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 15
      */
     on(type: 'focusTrackingInfoAvailable', callback: Callback<FocusTrackingInfo>): void;
 
@@ -8617,8 +8669,7 @@ declare namespace camera {
      * @throws { BusinessError } 202 - Not System Application.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'15','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 15
      */
     off(type: 'focusTrackingInfoAvailable', callback?: Callback<FocusTrackingInfo>): void;
 
@@ -8709,8 +8760,7 @@ declare namespace camera {
      * @throws { BusinessError } 202 - Not System Application.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'18','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 18
      */
     on(type: 'lightStatusChange', callback: AsyncCallback<LightStatus>): void;
 
@@ -8722,174 +8772,422 @@ declare namespace camera {
      * @throws { BusinessError } 202 - Not System Application.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'18','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 18
      */
     off(type: 'lightStatusChange', callback?: AsyncCallback<LightStatus>): void;
-  }
 
-  /**
-   * Enum for the camera light status.
-   *
-   * @enum { int }
-   * @syscap SystemCapability.Multimedia.Camera.Core
-   * @systemapi
-   * @since arkts {'1.1':'18','1.2':'20'}
-   * @arkts 1.1&1.2
-   */
-  enum LightStatus {
     /**
-     * Sufficient lighting.
+    * @since 20
+    * @arkts 1.2
+    */
+    overload on { onError, onFocusStateChange, onSmoothZoomInfoAvailable, onMacroStatusChanged, onLcdFlashStatus,
+      onAutoDeviceSwitchStatusChange, onFocusTrackingInfoAvailable, onEffectSuggestionChange, onLightStatusChange };
+
+    /**
+     * Registers a listener for error events in normal photo sessions to get the result by registering
+     * a callback function. This API uses an asynchronous callback to return the result.
+     * 
+     * Description: Currently, it is not allowed to use off() to unregister the callback
+     * within the callback method of on().
      *
+     * @param { 'error' } type - Event type.
+     * @param { ErrorCallback } callback - Callback used to get the capture session errors.
      * @syscap SystemCapability.Multimedia.Camera.Core
-     * @systemapi
-     * @since arkts {'1.1':'18','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 20
+     * @arkts 1.2
      */
-    NORMAL = 0,
+    onError(type: 'error', callback: ErrorCallback): void;
 
     /**
-     * Insufficient lighting.
+     * Registers a listener for error events in normal photo sessions to get the result by registering
+     * a callback function. This API uses an asynchronous callback to return the result.
+     * 
+     * Description: Currently, it is not allowed to use off() to unregister the callback
+     * within the callback method of on().
      *
+     * @param { 'focusStateChange' } type - Event type.
+     * @param { AsyncCallback<FocusState> } callback - Callback used to get the focus state change.
      * @syscap SystemCapability.Multimedia.Camera.Core
-     * @systemapi
-     * @since arkts {'1.1':'18','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 20
+     * @arkts 1.2
      */
-    INSUFFICIENT = 1
-  }
+    onFocusStateChange(type: 'focusStateChange', callback: AsyncCallback<FocusState>): void;
 
-  /**
-   * Enumerates the camera portrait effects.
-   *
-   * @enum { int }
-   * @syscap SystemCapability.Multimedia.Camera.Core
-   * @systemapi
-   * @since arkts {'1.1':'10','1.2':'20'}
-   * @arkts 1.1&1.2
-   */
-  enum PortraitEffect {
     /**
-     * portrait effect off.
+     * Registers a listener for state changes in the camera's smooth zoom to get the result by registering
+     * a callback function. This API uses an asynchronous callback to return the result.
+     * 
+     * Description: Currently, it is not allowed to use off() to unregister the callback
+     * within the callback method of on().
      *
+     * @param { 'smoothZoomInfoAvailable' } type - Event type.
+     * @param { AsyncCallback<SmoothZoomInfo> } callback - Callback used to get the zoom info.
      * @syscap SystemCapability.Multimedia.Camera.Core
-     * @systemapi
-     * @since arkts {'1.1':'10','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 20
+     * @arkts 1.2
      */
-    OFF = 0,
+    onSmoothZoomInfoAvailable(type: 'smoothZoomInfoAvailable', callback: AsyncCallback<SmoothZoomInfo>): void;
 
     /**
-     * circular blurring for portrait.
+     * Subscribes camera macro status event callback.
      *
+     * @param { 'macroStatusChanged' } type - Event type.
+     * @param { AsyncCallback<boolean> } callback - Callback used to return the result.
+     * @throws { BusinessError } 202 - Not System Application.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'10','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 20
+     * @arkts 1.2
      */
-    CIRCLES = 1,
+    onMacroStatusChanged(type: 'macroStatusChanged', callback: AsyncCallback<boolean>): void;
 
     /**
-     * heart blurring for portrait.
+     * Subscribes to lcd flash status.
      *
+     * @param { 'lcdFlashStatus' } type - Event type.
+     * @param { AsyncCallback<LcdFlashStatus> } callback - Callback used to get the lcd flash status.
+     * @throws { BusinessError } 202 - Not System Application.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'11','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 20
+     * @arkts 1.2
      */
-    HEART = 2,
+    onLcdFlashStatus(type: 'lcdFlashStatus', callback: AsyncCallback<LcdFlashStatus>): void;
 
     /**
-     * rotated blurring for portrait.
+     * Registers a listener for the camera's automatic lens switching state changes to get the
+     * result by registering a callback function. This API uses an asynchronous callback to
+     * return the result.
+     * 
+     * Description: Currently, it is not allowed to use off() to unregister the callback
+     * within the callback method of on().
      *
+     * @param { 'autoDeviceSwitchStatusChange' } type - Event type.
+     * @param { AsyncCallback<AutoDeviceSwitchStatus> } callback - Callback used to return the result.
      * @syscap SystemCapability.Multimedia.Camera.Core
-     * @systemapi
-     * @since arkts {'1.1':'11','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 20
+     * @arkts 1.2
      */
-    ROTATED = 3,
+    onAutoDeviceSwitchStatusChange(type: 'autoDeviceSwitchStatusChange',
+      callback: AsyncCallback<AutoDeviceSwitchStatus>): void;
 
     /**
-     * studio blurring for portrait.
+     * Subscribes to focus tracking info event callback.
      *
+     * @param { 'focusTrackingInfoAvailable' } type - Event type.
+     * @param { Callback<FocusTrackingInfo> } callback - Callback used to get the focus tracking info.
+     * @throws { BusinessError } 202 - Not System Application.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'11','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 20
+     * @arkts 1.2
      */
-    STUDIO = 4,
+    onFocusTrackingInfoAvailable(type: 'focusTrackingInfoAvailable', callback: Callback<FocusTrackingInfo>): void;
 
     /**
-     * theater blurring for portrait.
-     *
+     * Subscribes to effect suggestion change events.
+     * @param { 'effectSuggestionChange' } type - Event type.
+     * @param { AsyncCallback<EffectSuggestionType> } callback - Callback used to return the result.
+     * @throws { BusinessError } 202 - Not System Application.[object Object]
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'11','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 20
+     * @arkts 1.2
      */
-    THEATER = 5
-  }
+    onEffectSuggestionChange(type: 'effectSuggestionChange', callback: AsyncCallback<EffectSuggestionType>): void;
 
-  /**
-   * Portrait Query object.
-   *
-   * @interface PortraitQuery
-   * @syscap SystemCapability.Multimedia.Camera.Core
-   * @systemapi
-   * @since arkts {'1.1':'12','1.2':'20'}
-   * @arkts 1.1&1.2
-   */
-  interface PortraitQuery {
     /**
-     * Gets supported portrait effect.
+     * Subscribes camera light status event callback.
      *
-     * @returns { Array<PortraitEffect> } List of portrait effect.
-     * @throws { BusinessError } 7400103 - Session not config.
+     * @param { 'lightStatusChange' } type - Event type.
+     * @param { AsyncCallback<LightStatus> } callback - Callback used to return the result.
+     * @throws { BusinessError } 202 - Not System Application.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since 10
+     * @since 20
+     * @arkts 1.2
      */
+    onLightStatusChange(type: 'lightStatusChange', callback: AsyncCallback<LightStatus>): void;
+
     /**
-     * Gets supported portrait effect.
-     * Move to Portrait interface from PortraitPhotoSession interface since 11.
+    * @since 20
+    * @arkts 1.2
+    */
+    overload off { offError, offFocusStateChange, offSmoothZoomInfoAvailable, offMacroStatusChanged, offLcdFlashStatus,
+      offAutoDeviceSwitchStatusChange, offFocusTrackingInfoAvailable, offEffectSuggestionChange, offLightStatusChange };
+
+    /**
+     * Unsubscribes from error events.
      *
-     * @returns { Array<PortraitEffect> } List of portrait effect.
-     * @throws { BusinessError } 202 - Not System Application.
-     * @throws { BusinessError } 7400103 - Session not config.
+     * @param { 'error' } type - Event type.
+     * @param { ErrorCallback } [callback] - Callback used to get the capture session errors.
      * @syscap SystemCapability.Multimedia.Camera.Core
-     * @systemapi
-     * @since 11
+     * @since 20
+     * @arkts 1.2
      */
+    offError(type: 'error', callback?: ErrorCallback): void;
+
     /**
-     * Gets supported portrait effect.
-     * Move to PortraitQuery interface from Portrait interface since 12.
+     * Unsubscribes from focus state change event callback.
      *
-     * @returns { Array<PortraitEffect> } List of portrait effect.
-     * @throws { BusinessError } 202 - Not System Application.
-     * @throws { BusinessError } 7400103 - Session not config, only throw in session usage.
+     * @param { 'focusStateChange' } type - Event type.
+     * @param { AsyncCallback<FocusState> } [callback] - Callback used to get the focus state change.
      * @syscap SystemCapability.Multimedia.Camera.Core
-     * @systemapi
-     * @since arkts {'1.1':'12','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 20
+     * @arkts 1.2
      */
-    getSupportedPortraitEffects(): Array<PortraitEffect>;
-  }
+    offFocusStateChange(type: 'focusStateChange', callback?: AsyncCallback<FocusState>): void;
 
-  /**
-   * Portrait object.
-   *
-   * @extends PortraitQuery
-   * @interface Portrait
-   * @syscap SystemCapability.Multimedia.Camera.Core
-   * @systemapi
-   * @since arkts {'1.1':'11','1.2':'20'}
-   * @arkts 1.1&1.2
-   */
-  interface Portrait extends PortraitQuery {
     /**
-     * Gets the portrait effect in use.
+     * Unsubscribes from zoom info event callback.
      *
-     * @returns { PortraitEffect } The portrait effect in use.
+     * @param { 'smoothZoomInfoAvailable' } type - Event type.
+     * @param { AsyncCallback<SmoothZoomInfo> } [callback] - Callback used to get the zoom info.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    offSmoothZoomInfoAvailable(type: 'smoothZoomInfoAvailable', callback?: AsyncCallback<SmoothZoomInfo>): void;
+
+    /**
+     * Unsubscribes camera macro status event callback.
+     *
+     * @param { 'macroStatusChanged' } type - Event type.
+     * @param { AsyncCallback<boolean> } [callback] - Callback used to return the result.
+     * @throws { BusinessError } 202 - Not System Application.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @systemapi
+     * @since 20
+     * @arkts 1.2
+     */
+    offMacroStatusChanged(type: 'macroStatusChanged', callback?: AsyncCallback<boolean>): void;
+
+    /**
+     * Unsubscribes from lcd flash status.
+     *
+     * @param { 'lcdFlashStatus' } type - Event type.
+     * @param { AsyncCallback<LcdFlashStatus> } [callback] - Callback used to get the lcd flash status.
+     * @throws { BusinessError } 202 - Not System Application.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @systemapi
+     * @since 20
+     * @arkts 1.2
+     */
+    offLcdFlashStatus(type: 'lcdFlashStatus', callback?: AsyncCallback<LcdFlashStatus>): void;
+
+    /**
+     * Unsubscribes to auto device switch status event callback.
+     *
+     * @param { 'autoDeviceSwitchStatusChange' } type - Event type.
+     * @param { AsyncCallback<AutoDeviceSwitchStatus> } [callback] - Callback used to return the result.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    offAutoDeviceSwitchStatusChange(type: 'autoDeviceSwitchStatusChange',
+      callback?: AsyncCallback<AutoDeviceSwitchStatus>): void;
+
+    /**
+     * Unsubscribes from focus tracking info event callback.
+     *
+     * @param { 'focusTrackingInfoAvailable' } type - Event type.
+     * @param { Callback<FocusTrackingInfo> } [callback] - Callback used to get the focus tracking info.
+     * @throws { BusinessError } 202 - Not System Application.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @systemapi
+     * @since 20
+     * @arkts 1.2
+     */
+    offFocusTrackingInfoAvailable(type: 'focusTrackingInfoAvailable', callback?: Callback<FocusTrackingInfo>): void;
+
+    /**
+     * Unsubscribes from effect suggestion change events.
+     * @param { 'effectSuggestionChange' } type - Event type.
+     * @param { AsyncCallback<EffectSuggestionType> } [callback] - Callback used to return the result.
+     * @throws { BusinessError } 202 - Not System Application.[object Object]
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @systemapi
+     * @since 20
+     * @arkts 1.2
+     */
+    offEffectSuggestionChange(type: 'effectSuggestionChange', callback?: AsyncCallback<EffectSuggestionType>): void;
+
+    /**
+     * Unsubscribes camera light status event callback.
+     *
+     * @param { 'lightStatusChange' } type - Event type.
+     * @param { AsyncCallback<LightStatus> } [callback] - Callback used to return the result.
+     * @throws { BusinessError } 202 - Not System Application.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @systemapi
+     * @since 20
+     * @arkts 1.2
+     */
+    offLightStatusChange(type: 'lightStatusChange', callback?: AsyncCallback<LightStatus>): void;
+  }
+
+  /**
+   * Enum for the camera light status.
+   *
+   * @enum { int }
+   * @syscap SystemCapability.Multimedia.Camera.Core
+   * @systemapi
+   * @since arkts {'1.1':'18','1.2':'20'}
+   * @arkts 1.1&1.2
+   */
+  enum LightStatus {
+    /**
+     * Sufficient lighting.
+     *
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @systemapi
+     * @since arkts {'1.1':'18','1.2':'20'}
+     * @arkts 1.1&1.2
+     */
+    NORMAL = 0,
+
+    /**
+     * Insufficient lighting.
+     *
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @systemapi
+     * @since arkts {'1.1':'18','1.2':'20'}
+     * @arkts 1.1&1.2
+     */
+    INSUFFICIENT = 1
+  }
+
+  /**
+   * Enumerates the camera portrait effects.
+   *
+   * @enum { int }
+   * @syscap SystemCapability.Multimedia.Camera.Core
+   * @systemapi
+   * @since arkts {'1.1':'10','1.2':'20'}
+   * @arkts 1.1&1.2
+   */
+  enum PortraitEffect {
+    /**
+     * portrait effect off.
+     *
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @systemapi
+     * @since arkts {'1.1':'10','1.2':'20'}
+     * @arkts 1.1&1.2
+     */
+    OFF = 0,
+
+    /**
+     * circular blurring for portrait.
+     *
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @systemapi
+     * @since arkts {'1.1':'10','1.2':'20'}
+     * @arkts 1.1&1.2
+     */
+    CIRCLES = 1,
+
+    /**
+     * heart blurring for portrait.
+     *
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @systemapi
+     * @since arkts {'1.1':'11','1.2':'20'}
+     * @arkts 1.1&1.2
+     */
+    HEART = 2,
+
+    /**
+     * rotated blurring for portrait.
+     *
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @systemapi
+     * @since arkts {'1.1':'11','1.2':'20'}
+     * @arkts 1.1&1.2
+     */
+    ROTATED = 3,
+
+    /**
+     * studio blurring for portrait.
+     *
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @systemapi
+     * @since arkts {'1.1':'11','1.2':'20'}
+     * @arkts 1.1&1.2
+     */
+    STUDIO = 4,
+
+    /**
+     * theater blurring for portrait.
+     *
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @systemapi
+     * @since arkts {'1.1':'11','1.2':'20'}
+     * @arkts 1.1&1.2
+     */
+    THEATER = 5
+  }
+
+  /**
+   * Portrait Query object.
+   *
+   * @interface PortraitQuery
+   * @syscap SystemCapability.Multimedia.Camera.Core
+   * @systemapi
+   * @since arkts {'1.1':'12','1.2':'20'}
+   * @arkts 1.1&1.2
+   */
+  interface PortraitQuery {
+    /**
+     * Gets supported portrait effect.
+     *
+     * @returns { Array<PortraitEffect> } List of portrait effect.
+     * @throws { BusinessError } 7400103 - Session not config.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @systemapi
+     * @since 10
+     */
+    /**
+     * Gets supported portrait effect.
+     * Move to Portrait interface from PortraitPhotoSession interface since 11.
+     *
+     * @returns { Array<PortraitEffect> } List of portrait effect.
+     * @throws { BusinessError } 202 - Not System Application.
+     * @throws { BusinessError } 7400103 - Session not config.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @systemapi
+     * @since 11
+     */
+    /**
+     * Gets supported portrait effect.
+     * Move to PortraitQuery interface from Portrait interface since 12.
+     *
+     * @returns { Array<PortraitEffect> } List of portrait effect.
+     * @throws { BusinessError } 202 - Not System Application.
+     * @throws { BusinessError } 7400103 - Session not config, only throw in session usage.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @systemapi
+     * @since arkts {'1.1':'12','1.2':'20'}
+     * @arkts 1.1&1.2
+     */
+    getSupportedPortraitEffects(): Array<PortraitEffect>;
+  }
+
+  /**
+   * Portrait object.
+   *
+   * @extends PortraitQuery
+   * @interface Portrait
+   * @syscap SystemCapability.Multimedia.Camera.Core
+   * @systemapi
+   * @since arkts {'1.1':'11','1.2':'20'}
+   * @arkts 1.1&1.2
+   */
+  interface Portrait extends PortraitQuery {
+    /**
+     * Gets the portrait effect in use.
+     *
+     * @returns { PortraitEffect } The portrait effect in use.
      * @throws { BusinessError } 7400103 - Session not config.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
@@ -9142,8 +9440,7 @@ declare namespace camera {
      * @param { ErrorCallback } callback - Callback used to get the capture session errors.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'11','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 11
      */
     on(type: 'error', callback: ErrorCallback): void;
 
@@ -9154,8 +9451,7 @@ declare namespace camera {
      * @param { ErrorCallback } callback - Callback used to get the capture session errors.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'11','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 11
      */
     off(type: 'error', callback?: ErrorCallback): void;
 
@@ -9166,8 +9462,7 @@ declare namespace camera {
      * @param { AsyncCallback<FocusState> } callback - Callback used to get the focus state change.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'11','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 11
      */
     on(type: 'focusStateChange', callback: AsyncCallback<FocusState>): void;
 
@@ -9178,8 +9473,7 @@ declare namespace camera {
      * @param { AsyncCallback<FocusState> } callback - Callback used to get the focus state change.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'11','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 11
      */
     off(type: 'focusStateChange', callback?: AsyncCallback<FocusState>): void;
 
@@ -9190,8 +9484,7 @@ declare namespace camera {
      * @param { AsyncCallback<SmoothZoomInfo> } callback - Callback used to get the zoom info.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'11','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 11
      */
     on(type: 'smoothZoomInfoAvailable', callback: AsyncCallback<SmoothZoomInfo>): void;
 
@@ -9202,8 +9495,7 @@ declare namespace camera {
      * @param { AsyncCallback<SmoothZoomInfo> } callback - Callback used to get the zoom info.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'11','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 11
      */
     off(type: 'smoothZoomInfoAvailable', callback?: AsyncCallback<SmoothZoomInfo>): void;
 
@@ -9215,8 +9507,7 @@ declare namespace camera {
      * @throws { BusinessError } 202 - Not System Application.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'13','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 13
      */
     on(type: 'lcdFlashStatus', callback: AsyncCallback<LcdFlashStatus>): void;
 
@@ -9228,27 +9519,136 @@ declare namespace camera {
      * @throws { BusinessError } 202 - Not System Application.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'13','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 13
      */
     off(type: 'lcdFlashStatus', callback?: AsyncCallback<LcdFlashStatus>): void;
 
     /**
-     * Gets session functions.
+     * @since 20
+     * @arkts 1.2
+     */
+    overload on { onError, onFocusStateChange, onSmoothZoomInfoAvailable, onLcdFlashStatus };
+    
+    /**
+     * Subscribes to error events.
      *
-     * @param { CameraOutputCapability } outputCapability - CameraOutputCapability to set.
-     * @returns { Array<PortraitPhotoFunctions> } List of session functions.
-     * @throws { BusinessError } 202 - Not System Application.
-     * @throws { BusinessError } 401 - Parameter error. Possible causes: 1.Mandatory parameters are left unspecified. 2.Incorrect parameter types.
+     * @param { 'error' } type - Event type.
+     * @param { ErrorCallback } callback - Callback used to get the capture session errors.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'13','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 20
+     * @arkts 1.2
      */
-    getSessionFunctions(outputCapability: CameraOutputCapability): Array<PortraitPhotoFunctions>;
+    onError(type: 'error', callback: ErrorCallback): void;
 
     /**
-     * Gets session conflict functions.
+     * Subscribes focus state change event callback.
+     *
+     * @param { 'focusStateChange' } type - Event type.
+     * @param { AsyncCallback<FocusState> } callback - Callback used to get the focus state change.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @systemapi
+     * @since 20
+     * @arkts 1.2
+     */
+    onFocusStateChange(type: 'focusStateChange', callback: AsyncCallback<FocusState>): void;
+
+    /**
+     * Subscribes zoom info event callback.
+     *
+     * @param { 'smoothZoomInfoAvailable' } type - Event type.
+     * @param { AsyncCallback<SmoothZoomInfo> } callback - Callback used to get the zoom info.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @systemapi
+     * @since 20
+     * @arkts 1.2
+     */
+    onSmoothZoomInfoAvailable(type: 'smoothZoomInfoAvailable', callback: AsyncCallback<SmoothZoomInfo>): void;
+
+    /**
+     * Subscribes to lcd flash status.
+     *
+     * @param { 'lcdFlashStatus' } type - Event type.
+     * @param { AsyncCallback<LcdFlashStatus> } callback - Callback used to get the lcd flash status.
+     * @throws { BusinessError } 202 - Not System Application.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @systemapi
+     * @since 20
+     * @arkts 1.2
+     */
+    onLcdFlashStatus(type: 'lcdFlashStatus', callback: AsyncCallback<LcdFlashStatus>): void;
+
+    /**
+     * @since 20
+     * @arkts 1.2
+     */
+    overload off { offError, offFocusStateChange, offSmoothZoomInfoAvailable, offLcdFlashStatus };
+
+    /**
+     * Unsubscribes from error events.
+     *
+     * @param { 'error' } type - Event type.
+     * @param { ErrorCallback } [callback] - Callback used to get the capture session errors.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @systemapi
+     * @since 20
+     * @arkts 1.2
+     */
+    offError(type: 'error', callback?: ErrorCallback): void;
+
+    /**
+     * Unsubscribes from focus state change event callback.
+     *
+     * @param { 'focusStateChange' } type - Event type.
+     * @param { AsyncCallback<FocusState> } [callback] - Callback used to get the focus state change.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @systemapi
+     * @since 20
+     * @arkts 1.2
+     */
+    offFocusStateChange(type: 'focusStateChange', callback?: AsyncCallback<FocusState>): void;
+
+    /**
+     * Unsubscribes from zoom info event callback.
+     *
+     * @param { 'smoothZoomInfoAvailable' } type - Event type.
+     * @param { AsyncCallback<SmoothZoomInfo> } [callback] - Callback used to get the zoom info.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @systemapi
+     * @since 20
+     * @arkts 1.2
+     */
+    offSmoothZoomInfoAvailable(type: 'smoothZoomInfoAvailable', callback?: AsyncCallback<SmoothZoomInfo>): void;
+
+    /**
+     * Unsubscribes from lcd flash status.
+     *
+     * @param { 'lcdFlashStatus' } type - Event type.
+     * @param { AsyncCallback<LcdFlashStatus> } [callback] - Callback used to get the lcd flash status.
+     * @throws { BusinessError } 202 - Not System Application.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @systemapi
+     * @since 20
+     * @arkts 1.2
+     */
+    offLcdFlashStatus(type: 'lcdFlashStatus', callback?: AsyncCallback<LcdFlashStatus>): void;
+
+    /**
+     * Gets session functions.
+     *
+     * @param { CameraOutputCapability } outputCapability - CameraOutputCapability to set.
+     * @returns { Array<PortraitPhotoFunctions> } List of session functions.
+     * @throws { BusinessError } 202 - Not System Application.
+     * @throws { BusinessError } 401 - Parameter error. Possible causes: 1.Mandatory parameters are left unspecified. 2.Incorrect parameter types.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @systemapi
+     * @since arkts {'1.1':'13','1.2':'20'}
+     * @arkts 1.1&1.2
+     */
+    getSessionFunctions(outputCapability: CameraOutputCapability): Array<PortraitPhotoFunctions>;
+
+    /**
+     * Gets session conflict functions.
      *
      * @returns { Array<PortraitPhotoConflictFunctions> } List of session conflict functions.
      * @throws { BusinessError } 202 - Not System Application.
@@ -9279,8 +9679,7 @@ declare namespace camera {
      * @throws { BusinessError } 202 - Not System Application.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'12','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 12
      */
     on(type: 'error', callback: ErrorCallback): void;
 
@@ -9292,8 +9691,7 @@ declare namespace camera {
      * @throws { BusinessError } 202 - Not System Application.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'12','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 12
      */
     off(type: 'error', callback?: ErrorCallback): void;
 
@@ -9305,8 +9703,7 @@ declare namespace camera {
      * @throws { BusinessError } 202 - Not System Application.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'12','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 12
      */
     on(type: 'focusStateChange', callback: AsyncCallback<FocusState>): void;
 
@@ -9318,8 +9715,7 @@ declare namespace camera {
      * @throws { BusinessError } 202 - Not System Application.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'12','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 12
      */
     off(type: 'focusStateChange', callback?: AsyncCallback<FocusState>): void;
 
@@ -9331,8 +9727,7 @@ declare namespace camera {
      * @throws { BusinessError } 202 - Not System Application.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'12','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 12
      */
     on(type: 'smoothZoomInfoAvailable', callback: AsyncCallback<SmoothZoomInfo>): void;
 
@@ -9344,10 +9739,99 @@ declare namespace camera {
      * @throws { BusinessError } 202 - Not System Application.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'12','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 12
      */
     off(type: 'smoothZoomInfoAvailable', callback?: AsyncCallback<SmoothZoomInfo>): void;
+
+    /**
+     * @since 20
+     * @arkts 1.2
+     */
+    overload on { onError, onFocusStateChange, onSmoothZoomInfoAvailable };
+
+    /**
+     * Subscribes to error events.
+     *
+     * @param { 'error' } type - Event type.
+     * @param { ErrorCallback } callback - Callback used to get the capture session errors.
+     * @throws { BusinessError } 202 - Not System Application.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @systemapi
+     * @since 20
+     * @arkts 1.2
+     */
+    onError(type: 'error', callback: ErrorCallback): void;
+
+    /**
+     * Subscribes focus state change event callback.
+     *
+     * @param { 'focusStateChange' } type - Event type.
+     * @param { AsyncCallback<FocusState> } callback - Callback used to get the focus state change.
+     * @throws { BusinessError } 202 - Not System Application.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @systemapi
+     * @since 20
+     * @arkts 1.2
+     */
+    onFocusStateChange(type: 'focusStateChange', callback: AsyncCallback<FocusState>): void;
+
+    /**
+     * Subscribes zoom info event callback.
+     *
+     * @param { 'smoothZoomInfoAvailable' } type - Event type.
+     * @param { AsyncCallback<SmoothZoomInfo> } callback - Callback used to get the zoom info.
+     * @throws { BusinessError } 202 - Not System Application.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @systemapi
+     * @since 20
+     * @arkts 1.2
+     */
+    onSmoothZoomInfoAvailable(type: 'smoothZoomInfoAvailable', callback: AsyncCallback<SmoothZoomInfo>): void;
+
+    /**
+     * @since 20
+     * @arkts 1.2
+     */
+    overload off { offError, offFocusStateChange, offSmoothZoomInfoAvailable };
+
+    /**
+     * Unsubscribes from error events.
+     *
+     * @param { 'error' } type - Event type.
+     * @param { ErrorCallback } [callback] - Callback used to get the capture session errors.
+     * @throws { BusinessError } 202 - Not System Application.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @systemapi
+     * @since 20
+     * @arkts 1.2
+     */
+    offError(type: 'error', callback?: ErrorCallback): void;
+
+    /**
+     * Unsubscribes from focus state change event callback.
+     *
+     * @param { 'focusStateChange' } type - Event type.
+     * @param { AsyncCallback<FocusState> } [callback] - Callback used to get the focus state change.
+     * @throws { BusinessError } 202 - Not System Application.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @systemapi
+     * @since 20
+     * @arkts 1.2
+     */
+    offFocusStateChange(type: 'focusStateChange', callback?: AsyncCallback<FocusState>): void;
+
+    /**
+     * Unsubscribes from zoom info event callback.
+     *
+     * @param { 'smoothZoomInfoAvailable' } type - Event type.
+     * @param { AsyncCallback<SmoothZoomInfo> } [callback] - Callback used to get the zoom info.
+     * @throws { BusinessError } 202 - Not System Application.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @systemapi
+     * @since 20
+     * @arkts 1.2
+     */
+    offSmoothZoomInfoAvailable(type: 'smoothZoomInfoAvailable', callback?: AsyncCallback<SmoothZoomInfo>): void;
   }
 
   /**
@@ -9464,8 +9948,7 @@ declare namespace camera {
      * @param { ErrorCallback } callback - Callback used to get the capture session errors.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'11','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 11
      */
     on(type: 'error', callback: ErrorCallback): void;
 
@@ -9476,8 +9959,7 @@ declare namespace camera {
      * @param { ErrorCallback } callback - Callback used to get the capture session errors.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'11','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 11
      */
     off(type: 'error', callback?: ErrorCallback): void;
 
@@ -9488,8 +9970,7 @@ declare namespace camera {
      * @param { AsyncCallback<FocusState> } callback - Callback used to get the focus state change.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'11','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 11
      */
     on(type: 'focusStateChange', callback: AsyncCallback<FocusState>): void;
 
@@ -9500,8 +9981,7 @@ declare namespace camera {
      * @param { AsyncCallback<FocusState> } callback - Callback used to get the focus state change.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'11','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 11
      */
     off(type: 'focusStateChange', callback?: AsyncCallback<FocusState>): void;
 
@@ -9512,8 +9992,7 @@ declare namespace camera {
      * @param { AsyncCallback<SmoothZoomInfo> } callback - Callback used to get the zoom info.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'11','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 11
      */
     on(type: 'smoothZoomInfoAvailable', callback: AsyncCallback<SmoothZoomInfo>): void;
 
@@ -9524,8 +10003,7 @@ declare namespace camera {
      * @param { AsyncCallback<SmoothZoomInfo> } callback - Callback used to get the zoom info.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'11','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 11
      */
     off(type: 'smoothZoomInfoAvailable', callback?: AsyncCallback<SmoothZoomInfo>): void;
 
@@ -9537,8 +10015,7 @@ declare namespace camera {
      * @throws { BusinessError } 202 - Not System Application.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'12','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 12
      */
     on(type: 'lcdFlashStatus', callback: AsyncCallback<LcdFlashStatus>): void;
 
@@ -9550,10 +10027,119 @@ declare namespace camera {
      * @throws { BusinessError } 202 - Not System Application.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'12','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 12
      */
     off(type: 'lcdFlashStatus', callback?: AsyncCallback<LcdFlashStatus>): void;
+
+    /**
+     * @since 20
+     * @arkts 1.2
+     */
+    overload on { onError, onFocusStateChange, onSmoothZoomInfoAvailable, onLcdFlashStatus };
+
+    /**
+     * Subscribes to error events.
+     *
+     * @param { 'error' } type - Event type.
+     * @param { ErrorCallback } callback - Callback used to get the capture session errors.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @systemapi
+     * @since 20
+     * @arkts 1.2
+     */
+    onError(type: 'error', callback: ErrorCallback): void;
+
+    /**
+     * Subscribes focus state change event callback.
+     *
+     * @param { 'focusStateChange' } type - Event type.
+     * @param { AsyncCallback<FocusState> } callback - Callback used to get the focus state change.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @systemapi
+     * @since 20
+     * @arkts 1.2
+     */
+    onFocusStateChange(type: 'focusStateChange', callback: AsyncCallback<FocusState>): void;
+
+    /**
+     * Subscribes zoom info event callback.
+     *
+     * @param { 'smoothZoomInfoAvailable' } type - Event type.
+     * @param { AsyncCallback<SmoothZoomInfo> } callback - Callback used to get the zoom info.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @systemapi
+     * @since 20
+     * @arkts 1.2
+     */
+    onSmoothZoomInfoAvailable(type: 'smoothZoomInfoAvailable', callback: AsyncCallback<SmoothZoomInfo>): void;
+
+    /**
+     * Subscribes to lcd flash status.
+     *
+     * @param { 'lcdFlashStatus' } type - Event type.
+     * @param { AsyncCallback<LcdFlashStatus> } callback - Callback used to get the lcd flash status.
+     * @throws { BusinessError } 202 - Not System Application.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @systemapi
+     * @since 20
+     * @arkts 1.2
+     */
+    onLcdFlashStatus(type: 'lcdFlashStatus', callback: AsyncCallback<LcdFlashStatus>): void;
+
+    /**
+     * @since 20
+     * @arkts 1.2
+     */
+    overload off { offError, offFocusStateChange, offSmoothZoomInfoAvailable, offLcdFlashStatus };
+
+    /**
+     * Unsubscribes from error events.
+     *
+     * @param { 'error' } type - Event type.
+     * @param { ErrorCallback } [callback] - Callback used to get the capture session errors.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @systemapi
+     * @since 20
+     * @arkts 1.2
+     */
+    offError(type: 'error', callback?: ErrorCallback): void;
+
+    /**
+     * Unsubscribes from focus state change event callback.
+     *
+     * @param { 'focusStateChange' } type - Event type.
+     * @param { AsyncCallback<FocusState> } [callback] - Callback used to get the focus state change.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @systemapi
+     * @since 20
+     * @arkts 1.2
+     */
+    offFocusStateChange(type: 'focusStateChange', callback?: AsyncCallback<FocusState>): void;
+
+    /**
+     * Unsubscribes from zoom info event callback.
+     *
+     * @param { 'smoothZoomInfoAvailable' } type - Event type.
+     * @param { AsyncCallback<SmoothZoomInfo> } [callback] - Callback used to get the zoom info.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @systemapi
+     * @since 20
+     * @arkts 1.2
+     */
+    offSmoothZoomInfoAvailable(type: 'smoothZoomInfoAvailable', callback?: AsyncCallback<SmoothZoomInfo>): void;
+
+    /**
+     * Unsubscribes from lcd flash status.
+     *
+     * @param { 'lcdFlashStatus' } type - Event type.
+     * @param { AsyncCallback<LcdFlashStatus> } [callback] - Callback used to get the lcd flash status.
+     * @throws { BusinessError } 202 - Not System Application.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @systemapi
+     * @since 20
+     * @arkts 1.2
+     */
+    offLcdFlashStatus(type: 'lcdFlashStatus', callback?: AsyncCallback<LcdFlashStatus>): void;
   }
 
   /**
@@ -9666,8 +10252,7 @@ declare namespace camera {
      * @throws { BusinessError } 202 - Not System Application.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'12','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 12
      */
     on(type: 'error', callback: ErrorCallback): void;
 
@@ -9679,8 +10264,7 @@ declare namespace camera {
      * @throws { BusinessError } 202 - Not System Application.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'12','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 12
      */
     off(type: 'error', callback?: ErrorCallback): void;
 
@@ -9692,8 +10276,7 @@ declare namespace camera {
      * @throws { BusinessError } 202 - Not System Application.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'12','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 12
      */
     on(type: 'focusStateChange', callback: AsyncCallback<FocusState>): void;
 
@@ -9705,8 +10288,7 @@ declare namespace camera {
      * @throws { BusinessError } 202 - Not System Application.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'12','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 12
      */
     off(type: 'focusStateChange', callback?: AsyncCallback<FocusState>): void;
 
@@ -9718,8 +10300,7 @@ declare namespace camera {
      * @throws { BusinessError } 202 - Not System Application.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'12','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 12
      */
     on(type: 'smoothZoomInfoAvailable', callback: AsyncCallback<SmoothZoomInfo>): void;
 
@@ -9731,8 +10312,7 @@ declare namespace camera {
      * @throws { BusinessError } 202 - Not System Application.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'12','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 12
      */
     off(type: 'smoothZoomInfoAvailable', callback?: AsyncCallback<SmoothZoomInfo>): void;
 
@@ -9744,8 +10324,7 @@ declare namespace camera {
      * @throws { BusinessError } 202 - Not System Application.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'12','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 12
      */
     on(type: 'isoInfoChange', callback: AsyncCallback<IsoInfo>): void;
 
@@ -9757,8 +10336,7 @@ declare namespace camera {
      * @throws { BusinessError } 202 - Not System Application.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'12','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 12
      */
     off(type: 'isoInfoChange', callback?: AsyncCallback<IsoInfo>): void;
 
@@ -9770,8 +10348,7 @@ declare namespace camera {
      * @throws { BusinessError } 202 - Not System Application.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'12','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 12
      */
     on(type: 'exposureInfoChange', callback: AsyncCallback<ExposureInfo>): void;
 
@@ -9783,8 +10360,7 @@ declare namespace camera {
      * @throws { BusinessError } 202 - Not System Application.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'12','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 12
      */
     off(type: 'exposureInfoChange', callback?: AsyncCallback<ExposureInfo>): void;
 
@@ -9796,8 +10372,7 @@ declare namespace camera {
      * @throws { BusinessError } 202 - Not System Application.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'12','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 12
      */
     on(type: 'apertureInfoChange', callback: AsyncCallback<ApertureInfo>): void;
 
@@ -9809,8 +10384,7 @@ declare namespace camera {
      * @throws { BusinessError } 202 - Not System Application.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'12','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 12
      */
     off(type: 'apertureInfoChange', callback?: AsyncCallback<ApertureInfo>): void;
 
@@ -9822,8 +10396,7 @@ declare namespace camera {
      * @throws { BusinessError } 202 - Not System Application.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'12','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 12
      */
     on(type: 'luminationInfoChange', callback: AsyncCallback<LuminationInfo>): void;
 
@@ -9835,10 +10408,185 @@ declare namespace camera {
      * @throws { BusinessError } 202 - Not System Application.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
-     * @since arkts {'1.1':'12','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 12
      */
     off(type: 'luminationInfoChange', callback?: AsyncCallback<LuminationInfo>): void;
+
+    /**
+     * @since 20
+     * @arkts 1.2
+     */
+    overload on { onError, onFocusStateChange, onSmoothZoomInfoAvailable, onIsoInfoChange, onExposureInfoChange,
+      onApertureInfoChange, onLuminationInfoChange };
+
+    /**
+     * Subscribes to error events.
+     *
+     * @param { 'error' } type - Event type.
+     * @param { ErrorCallback } callback - Callback used to get the capture session errors.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    onError(type: 'error', callback: ErrorCallback): void;
+
+    /**
+     * Subscribes focus state change event callback.
+     *
+     * @param { 'focusStateChange' } type - Event type.
+     * @param { AsyncCallback<FocusState> } callback - Callback used to get the focus state change.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    onFocusStateChange(type: 'focusStateChange', callback: AsyncCallback<FocusState>): void;
+
+    /**
+     * Subscribes zoom info event callback.
+     *
+     * @param { 'smoothZoomInfoAvailable' } type - Event type.
+     * @param { AsyncCallback<SmoothZoomInfo> } callback - Callback used to get the zoom info.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    onSmoothZoomInfoAvailable(type: 'smoothZoomInfoAvailable', callback: AsyncCallback<SmoothZoomInfo>): void;
+
+    /**
+     * Subscribes ISO info event callback.
+     *
+     * @param { 'isoInfoChange' } type - Event type.
+     * @param { AsyncCallback<IsoInfo> } callback - Callback used to get the ISO info.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    onIsoInfoChange(type: 'isoInfoChange', callback: AsyncCallback<IsoInfo>): void;
+
+    /**
+     * Subscribes exposure info event callback.
+     *
+     * @param { 'exposureInfoChange' } type - Event type.
+     * @param { AsyncCallback<ExposureInfo> } callback - Callback used to get the exposure info.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    onExposureInfoChange(type: 'exposureInfoChange', callback: AsyncCallback<ExposureInfo>): void;
+
+    /**
+     * Subscribes aperture info event callback.
+     *
+     * @param { 'apertureInfoChange' } type - Event type.
+     * @param { AsyncCallback<ApertureInfo> } callback - Callback used to get the aperture info.
+     * @throws { BusinessError } 202 - Not System Application.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @systemapi
+     * @since 20
+     * @arkts 1.2
+     */
+    onApertureInfoChange(type: 'apertureInfoChange', callback: AsyncCallback<ApertureInfo>): void;
+
+    /**
+     * Subscribes lumination info event callback.
+     *
+     * @param { 'luminationInfoChange' } type - Event type.
+     * @param { AsyncCallback<LuminationInfo> } callback - Callback used to get the lumination info.
+     * @throws { BusinessError } 202 - Not System Application.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @systemapi
+     * @since 20
+     * @arkts 1.2
+     */
+    onLuminationInfoChange(type: 'luminationInfoChange', callback: AsyncCallback<LuminationInfo>): void;
+
+    /**
+     * @since 20
+     * @arkts 1.2
+     */
+    overload off { offError, offFocusStateChange, offSmoothZoomInfoAvailable, offIsoInfoChange, offExposureInfoChange,
+      offApertureInfoChange, offLuminationInfoChange };
+
+    /**
+     * Unsubscribes from error events.
+     *
+     * @param { 'error' } type - Event type.
+     * @param { ErrorCallback } [callback] - Callback used to get the capture session errors.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    offError(type: 'error', callback?: ErrorCallback): void;
+
+    /**
+     * Unsubscribes from focus state change event callback.
+     *
+     * @param { 'focusStateChange' } type - Event type.
+     * @param { AsyncCallback<FocusState> } [callback] - Callback used to get the focus state change.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    offFocusStateChange(type: 'focusStateChange', callback?: AsyncCallback<FocusState>): void;
+
+    /**
+     * Unsubscribes from zoom info event callback.
+     *
+     * @param { 'smoothZoomInfoAvailable' } type - Event type.
+     * @param { AsyncCallback<SmoothZoomInfo> } [callback] - Callback used to get the zoom info.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    offSmoothZoomInfoAvailable(type: 'smoothZoomInfoAvailable', callback?: AsyncCallback<SmoothZoomInfo>): void;
+
+    /**
+     * Unsubscribes from ISO info event callback.
+     *
+     * @param { 'isoInfoChange' } type - Event type.
+     * @param { AsyncCallback<IsoInfo> } [callback] - Callback used to get the ISO info.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    offIsoInfoChange(type: 'isoInfoChange', callback?: AsyncCallback<IsoInfo>): void;
+
+    /**
+     * Unsubscribes from exposure info event callback.
+     *
+     * @param { 'exposureInfoChange' } type - Event type.
+     * @param { AsyncCallback<ExposureInfo> } [callback] - Callback used to get the exposure info.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    offExposureInfoChange(type: 'exposureInfoChange', callback?: AsyncCallback<ExposureInfo>): void;
+
+    /**
+     * Unsubscribes from aperture info event callback.
+     *
+     * @param { 'apertureInfoChange' } type - Event type.
+     * @param { AsyncCallback<ApertureInfo> } [callback] - Callback used to get the aperture info.
+     * @throws { BusinessError } 202 - Not System Application.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @systemapi
+     * @since 20
+     * @arkts 1.2
+     */
+    offApertureInfoChange(type: 'apertureInfoChange', callback?: AsyncCallback<ApertureInfo>): void;
+
+    /**
+     * Unsubscribes from lumination info event callback.
+     *
+     * @param { 'luminationInfoChange' } type - Event type.
+     * @param { AsyncCallback<LuminationInfo> } [callback] - Callback used to get the lumination info.
+     * @throws { BusinessError } 202 - Not System Application.
+     * @syscap SystemCapability.Multimedia.Camera.Core
+     * @systemapi
+     * @since 20
+     * @arkts 1.2
+     */
+    offLuminationInfoChange(type: 'luminationInfoChange', callback?: AsyncCallback<LuminationInfo>): void;
   }
 
   /**