Allow Multiple Payments User Boolean inside the User.

Once the invoice is posted and payment is not done, you will see Register Multiple Payment Button.

On clicking the button you will see wizard, it will display total remaining amount and the details to add in the wizard.

You can add multiple lines as you like with different journals and the way you want to split the amount.

On confirming the payment the invoice will be paid and 2 payment record will be created and linked with invoice.

Created Payment record with the details captured from the wizard.

If just want to create one payment record Click Quick Add Full amount.