Try

IF EMPTY(THIS.VALUE) AND NOT MDOWN()
    RETURN 5
ENDIF

>I have a textbox that has a valid event that looks like this:
>
>IF EMPTY(THIS.VALUE)
> RETURN 5
>ENDIF
>
>How do I prevent this from firing if the user clicks on another field with the mouse? In other words, if the textbox is left blank and the user hits enter, move the focus ahead. If the textbox is left blank and the user clicks on another field, ignore the valid? Also, CONFIRM is SET ON to force the user to TAB or ENTER to leave the textbox.
>
>Thanks,
>
>Mark