Problem in Message Type in Distribution Model

I am trying to add a message type to a Distribution view(TCODE BD64). I am doing this on the R3 side. So it is asking for Message Type and it looks like I can't just type anything in there. Actually I am just trying to implement the starter kit mentioned by Arpit Seth(/people/arpit.seth/blog/2005/06/27/rfc-scenario-using-bpm--starter-kit). File to RFC scenario. as simple as that. For that I am using RFC BAPI_COMPANY_GETDETAIL. Now tell what message type I need to use