Hi Tyler,
If you are using this form for just creating new records, then use this formula in Item property of the form:
Default('YOUR DATA SOURCE NAME')
if you want to update or edit a record by using the same form then use this formula in Item property of the form:
LookUp('YOUR DATA SOURCE NAME', ID = varSelectedRec.ID)
varSelectedRec is a global variable, set this when you select a record from the gallery on the same or other screen.
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Thanks!