The Fields, Groups and Lists tab shows the fields, groups and lists defined in the function. You can drag and drop lists and groups (not individual fields) onto your screen representation to include them in your command provided are compatible with the command represented on the screen. You can also drag and drop fields from the Repository tab, provided the fields are compatible with the command represented on the screen.
Note that you can also drag and drop fields from the Repository tab.
⇑ 2.4.4 Function Screen Designer