diff --git a/tools/enums.go b/tools/enums.go
index 72aa2a0..1bcda51 100644
--- a/tools/enums.go
+++ b/tools/enums.go
@@ -139,6 +139,12 @@ func DataTypeList() []DataType {
 		LIVE_DATACENTER, LIVE_STORAGE, BILL, NATIVE_TOOL}
 }
 
+type PropalgationMessage struct {
+	User    string       `json:"user"`
+	Action  PubSubAction `json:"action"`
+	Payload []byte       `json:"payload"`
+}
+
 type PubSubAction int
 
 const (