diff --git a/OpenSim/Region/Framework/Interfaces/IMessageTransferModule.cs b/OpenSim/Region/Framework/Interfaces/IMessageTransferModule.cs
index 379c769481..290b82689c 100644
--- a/OpenSim/Region/Framework/Interfaces/IMessageTransferModule.cs
+++ b/OpenSim/Region/Framework/Interfaces/IMessageTransferModule.cs
@@ -36,8 +36,26 @@ namespace OpenSim.Region.Framework.Interfaces
{
event UndeliveredMessage OnUndeliveredMessage;
+ ///
+ /// Attempt to send an instant message to a given destination.
+ ///
+ ///
+ /// If the message cannot be delivered for any reason, this will be signalled on the OnUndeliveredMessage
+ /// event. result(false) will also be called if the message cannot be delievered unless the type is
+ /// InstantMessageDialog.MessageFromAgent. For successful message delivery, result(true) is called.
+ ///
+ ///
+ ///
void SendInstantMessage(GridInstantMessage im, MessageResultNotification result);
+ ///
+ /// Appropriately handle a known undeliverable message without attempting a send.
+ ///
+ ///
+ /// Essentially, this invokes the OnUndeliveredMessage event.
+ ///
+ ///
+ ///
void HandleUndeliverableMessage(GridInstantMessage im, MessageResultNotification result);
}
}