Thank you, Grumly57 kindly for:

This patch proposes a new function : osOpenRemoteDataChannel(key channeID) 
that allow to open an XMLRPC channel for remote_data event. The difference 
is that the channelID can be customized instead of being randomly generated.

OpenSim/Region/ScriptEngine/Common/OSSL_BuilIn_Commands_Interface.cs

@@ -62,5 +62,7 @@ namespace OpenSim.Region.ScriptEngine.Common
         string osDrawImage(string drawList, int width, int height, string imageUrl);
         void osSetStateEvents(int events);
 
+        void osOpenRemoteDataChannel(string channel);
+
     }
 }