Is there any way that during coding Requester can enter Remittance Message?

Summary:

During Coding of the invoice , can requester enter Remittance Messages? Currently there is no such field in the coding workflow notification, but can we customize the coding notification screen to add the remittance message field , so that requester can enter the remittance message during coding and the remittance message will be reflected under manage installment section in the invoice screen?

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