diff --git a/BasicServicesKit/commonevent/oh_commonevent_support.h b/BasicServicesKit/commonevent/oh_commonevent_support.h
index 622e86aeb6c7a810c78af3c6a8c7f2359f48c878..906a1a17de942f31049ceb395d0a0dce71acea50 100644
--- a/BasicServicesKit/commonevent/oh_commonevent_support.h
+++ b/BasicServicesKit/commonevent/oh_commonevent_support.h
@@ -577,6 +577,13 @@ static const char* const COMMON_EVENT_MINORSMODE_OFF = "usual.event.MINORSMODE_O
  * @since 15
  */
 static const char* const COMMON_EVENT_MANAGED_BROWSER_POLICY_CHANGED = "usual.event.MANAGED_BROWSER_POLICY_CHANGED";
+/**
+ * @brief This common event means that screen capture.
+ * This is a protected common event that can only be sent by system.
+ *
+ * @since 20
+ */
+ static const char* const COMMON_EVENT_SCREEN_SHARE = "usual.event.SCREEN_SHARE";
 #ifdef __cplusplus
 }
 #endif