Hi @SeanBuckley2698 :
Do you want to inform the user of the value of the "reference number" just submitted by a notification?
Could you tell me what reference number's data type is?I assume it is 'Number'.
I sugget you use Notify(),I'v made a test for you reference:
Patch(XXXXX);/*submit the record*/
Notify(
"The reference number of the record you just submitted is:" & Text(
First(
Sort(
'Your SP list',
Modified,
Descending
)
).ID
)
)
Or
SubmitForm(XXXXX);/*submit the record*/
Notify(
"The reference number of the record you just submitted is:" & Text(
First(
Sort(
'Your SP list',
Modified,
Descending
)
).ID
)
)

Best Regards.
Bof