From the ACP screen, a click on Create a new ACP button shows the following screen:
Filename field is mandatory. The ACP appears with this name on the reply server. It must be name:acp.xml or acp.xml and must not contain any special character.
Name field is mandatory.
Optional Descriptions and Tags fields are optional and only used in the BO, for filtering.
Source drop-down list makes it possible to choice the way of creating the ACP.