Welcome back, @DCINV.

Allow me to provide additional information about importing data from a third-party app.

QuickBooks only depends on the data imported from a third-party app. Since you want to add a field (Update invoice) in Zapeir, I recommend reaching out to their support team. They may look into this suggestion and consider adding it in the future.

You might have questions about GoCardless Direct Debit. This article will provide you with the answers: Learn more about GoCardless Direct Debit for QuickBooks.

Please visit our Community Forums if you need further assistance with the QuickBooks integration. I'm still open to your replies, @DCINV.