diff --git a/api/@ohos.app.ability.wantConstant.d.ts b/api/@ohos.app.ability.wantConstant.d.ts
index e0052284c4b94ea920a694ae9756046aa537d4ba..81c4425ce09eb9302fcc5f5adeecdb49f0845f31 100644
--- a/api/@ohos.app.ability.wantConstant.d.ts
+++ b/api/@ohos.app.ability.wantConstant.d.ts
@@ -337,6 +337,22 @@ declare namespace wantConstant {
      */
     FLAG_INSTALL_ON_DEMAND = 0x00000800,
   }
+
+  /**
+   * the constant for parameter of the want
+   * @enum { string }
+   * @syscap SystemCapability.Ability.AbilityBase
+   * @since 9
+   */
+  export enum Parameter {
+    /**
+     * Indicates the ability in this want can back to the current top ability even though they are not in the same
+     * mission stack.
+     * @syscap SystemCapability.Ability.AbilityBase
+     * @since 9
+     */
+    ABILITY_BACK_TO_OTHER_MISSION_STACK = "ability.params.backToOtherMissionStack"
+  }
 }
 
 export default wantConstant;