diff --git a/api/application/AbilityContext.d.ts b/api/application/AbilityContext.d.ts
index 345363d17e5ce59faf77296a90183b44feb4b241..d97ef75ceb8c5d9f41c31fe54ea4167f6ebadbdb 100644
--- a/api/application/AbilityContext.d.ts
+++ b/api/application/AbilityContext.d.ts
@@ -121,4 +121,15 @@ export default class AbilityContext extends Context {
      */
     disconnectAbility(connection: number, callback:AsyncCallback<void>): void;
     disconnectAbility(connection: number): Promise<void>;
+
+    /**
+     * Set mission label of current ability.
+     *
+     * @devices phone, tablet, tv, wearable, car
+     * @since 8
+     * @sysCap AAFwk
+     * @param label The label of ability that showed in recent missions.
+     */
+     setMissionLabel(label: string, callback:AsyncCallback<void>): void;
+     setMissionLabel(label: string): Promise<void>;
 }
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