On_Select userexit in each menu/button-area or On_Event userexit in each state of the user interface.
The form displays the name and the identification code of the current user (UIC), the name and the identification code of the group (GIC) he is currently working in, the access privileges in the group and the profile defined for the user.
Example:
In DataView itself the userexit creates the form, when you select the User info button within the Info-toolbar.