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diff --git a/BasicServicesKit/commonevent/oh_commonevent_support.h b/BasicServicesKit/commonevent/oh_commonevent_support.h
index 622e86aeb6c7a810c78af3c6a8c7f2359f48c878..d495229c5fb12a59f8ca7d9dadc330b40d3e60db 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_CAPTURE = "usual.event.SCREEN_CAPTURE";
 #ifdef __cplusplus
 }
 #endif