[A] Go to Payments Module(1) and select "Category" as Documents (2), select "Type" as Counter-Party (3), select "Status" as Receivables (4) for the payment.
[B] After clicking on that, you will see all the “Receivable” list below, click on the checkbox of the “Invoice” of service confirmation (SC), or you can enter the document number of SC and search the invoice for which you want log payment for (5).
[C] Click on "LOG PAYMENT"(6).
[D] New modal of Receipt will open, Fill in the Bank and Payment details.
[E] Now, click “Log Payment” button displayed at the bottom of the form it will update the payment log details in the transaction timeline. This way, you can log payment for an Invoice of Service Confirmation.