diff --git a/api/@ohos.app.ability.wantConstant.d.ts b/api/@ohos.app.ability.wantConstant.d.ts
index 85b131dc8479c9e8540c208158495a81cce26e14..4ff2dc66d77fd1fbb3987f776ca0eb995889c007 100644
--- a/api/@ohos.app.ability.wantConstant.d.ts
+++ b/api/@ohos.app.ability.wantConstant.d.ts
@@ -344,6 +344,15 @@ declare namespace wantConstant {
     * @since 18
     */
     LAUNCH_REASON_MESSAGE = 'ohos.params.launchReasonMessage',
+
+    /**
+    * Indicates the key of the page route upon sharing atomic service.
+    *
+    * @syscap SystemCapability.Ability.AbilityBase
+    * @atomicservice
+    * @since 20
+    */
+    ATOMIC_SERVICE_SHARE_ROUTER = 'ohos.params.atomicservice.shareRouter',
   }
 
   /**