Efficient way to send copy of invoice to the client

[isidoredc]

Hello

Is there an efficient way to send a copy of an invoice from SAP to a particular contact in S4Hana?

If a customer requests an invoice again, the invoice currently needs to be requested in the system then saved locally and then sent as a pdf via outlook.

Is there a transaction/way of working available to send this more efficiently from SAP as well as with the simple selection of contact person as recipient?

I know it is also possible via the collection worklist but what if it is not in the worklist and the customer requests an invoice again separately from the worklist?

I can hardly imagine that there is no easier way of working than having to save the invoice locally first

Kind regards

ISidore