Version 5.1 VBFORMS

I created a VBFORM field for the VENDPART and CUSTXPRT tables in VBFORM in
version 5.1.
Where in Vantage can I access these VBFORMs to populate the fields with
data.
My guesses were Order Enter / Line Entry for CUSTXPRT. (No VBFORM Button)
And Vendor Price Breaks for VENDPART. (No VBFORM button)

Am I missing something?

Patrick Winter