Ability to link existing Authorization transaction with an invoice /use it for payment

[KBbitsP]

Requirement : Assuming that I have a successful authorization transaction. The system should allow to link this transaction with an invoice OR for this transaction to be used as a payment against an invoice.

[shaun-forgie]

There a number of use cases where linking a payment to an object would be useful.

1. Where external payment is enabled account holders will make payment directly into a billers bank account / cypto wallet or even a merchant account. This will require reconciliation of the payment to one or more invoices
2. Linking to a subscription. To ensure payment for a subscription occurs successfully before activating the subscription and enabling the entitlement