Interaction overview diagram (messaging)

This is a first draft for the interaction overview
The diagram is split in 3 diagram and should be placed next to each
other in a latex document

I can't see other way of doing it in my case :/

Documents/proto/messaging_extension/interaction_diagram.uml

@@ -0,0 +1,47 @@
+@startuml
+note
+	Appointment
+endnote
+start
+:Asking Apointment]
+repeat
+if (accepted) is (yes) then
+	:Export to calendar]
+	stop
+else (no)
+	:Propose new apointment]
+endif
+	
+@enduml
+
+@startuml
+note
+	Messaging
+endnote
+start
+split 
+	:Create Discution]
+	:Choose users]
+split again
+	:Message one users]
+endsplit
+repeat :send Message]
+repeat while
+stop
+@enduml
+
+@startuml
+note 
+	Forum
+endnote
+
+start
+:Forum Creation]
+
+repeat
+:Topic Creation]
+:Topic Answering]
+
+repeat while
+stop
+@enduml