diff --git a/api/@ohos.application.appManager.d.ts b/api/@ohos.application.appManager.d.ts
index f8428c4c8218fbd76e2f8e327c3087340e3c8a74..db2115cb512feef227ce5276faa905814a8707b2 100644
--- a/api/@ohos.application.appManager.d.ts
+++ b/api/@ohos.application.appManager.d.ts
@@ -61,6 +61,17 @@ declare namespace appManager {
      */
      function getForegroundApplications(callback: AsyncCallback<Array<AppStateData>>): void;
      function getForegroundApplications(): Promise<Array<AppStateData>>;
+
+     /**
+     * Is user running in stability test.
+     *
+     * @devices phone, tablet, tv, wearable, car
+     * @since 8
+     * @SysCap appexecfwk
+     * @return Returns true if user is running stability test.
+     */
+      function isRunningInStabilityTest(callback: AsyncCallback<boolean>): void;
+      function isRunningInStabilityTest(): Promise<boolean>;
 }
 
 export default appManager;