diff --git a/internal/message/message.go b/internal/message/message.go
index c7e035b6..24adb38f 100644
--- a/internal/message/message.go
+++ b/internal/message/message.go
@@ -1,6 +1,8 @@
 package message
 
-type Messager interface {
+type Messenger interface {
 	Send(string, interface{}) error
+	WaitSend(string, interface{}) error
 	Receive(string) (string, error)
+	WaitReceive(string) (string, error)
 }