There are currently two ViewModel names that has special meaning to WECPOF. The first is “DropTargetViewModel” this is added to the WECPOF screen
This is good for things you always want to show or as a scratchpad where you can drag objects (see article about DragDropActions).
The second special name is “DefaultBackgroundViewModel” and that viewmodel is added here:
And this will show whenever you do not have any tabs open. This is good for information you want to present to the user when they start the application. Like maybe you want an easy navigation screen, or a message from SysAdmin about something, or a list of things with broken constraints.