diff --git a/StompTypes.pas b/StompTypes.pas
index 8102f679..012b451e 100644
--- a/StompTypes.pas
+++ b/StompTypes.pas
@@ -62,6 +62,7 @@ type
     function GetBody: string;
     procedure SetBody(const Value: string);
     function GetHeaders: IStompHeaders;
+    function MessageID: string;
   end;
 
   IStompClient = interface
@@ -145,6 +146,7 @@ type
     // return '', when Key doesn't exist or Value of Key is ''
     // otherwise, return Value;
     function Output: string;
+    function MessageID: string;
     property Headers: IStompHeaders read GetHeaders write SetHeaders;
   end;
 
@@ -294,6 +296,11 @@ begin
   Result := FHeaders;
 end;
 
+function TStompFrame.MessageID: string;
+begin
+  Result := self.GetHeaders.Value(TStompHeaders.MESSAGE_ID);
+end;
+
 function TStompFrame.Output: string;
 begin
   Result := FCommand + LINE_END + FHeaders.Output + LINE_END + FBody + COMMAND_END;