For using Store credit to buy the product, on the Checkout page, in the Payment tab, Customers can use credit to check out by ticking on the checkbox and then enter a credit amount they want.
Then our module will auto-update and calculate the grand total of order.
After order has been placed, as soon as the invoice is created/updated with paid state, customer credit will be updated immediately, Customers’ credit balances will be updated immediately. They can check the current balances and transactions in the Transaction History section.
