diff --git a/api/@ohos.reminderAgentManager.d.ts b/api/@ohos.reminderAgentManager.d.ts
index 44767156ad11de43887e7c28c8c22eb6e5ff049e..9a7105c0840732d62f85540fa76ec325990504d1 100644
--- a/api/@ohos.reminderAgentManager.d.ts
+++ b/api/@ohos.reminderAgentManager.d.ts
@@ -33,6 +33,18 @@ import { ValuesBucket } from './@ohos.data.ValuesBucket';
  * @arkts 1.1&1.2
  */
 declare namespace reminderAgentManager {
+  /**
+   * RecordData is used for parameters of WantAgent
+   *
+   * @typedef { undefined | null | Object | Record<string, RecordData> | Array<RecordData> }
+   * @syscap SystemCapability.Utils.Lang
+   * @crossplatform
+   * @atomicservice
+   * @since 20
+   * @arkts 1.2
+   */
+  type RecordData = undefined | null | Object | Record<string, RecordData> | Array<RecordData>;
+
   /**
    * Publishes a scheduled reminder.
    * 
@@ -439,10 +451,19 @@ declare namespace reminderAgentManager {
      *
      * @type { ?Record<string, Object> }
      * @syscap SystemCapability.Notification.ReminderAgent
-     * @since arkts{ '1.1':'12', '1.2':'20' }
-     * @arkts 1.1&1.2
+     * @since 12
      */
     parameters?: Record<string, Object>;
+
+    /**
+     * The description of the WantParams object in an Want
+     *
+     * @type { ?RecordData }
+     * @syscap SystemCapability.Notification.ReminderAgent
+     * @since 20
+     * @arkts 1.2
+     */
+    parameters?: RecordData;
   }
 
   /**