After installing app, you will able to see wallee payment option in Accounting >> Configuration >> Payment Acquirers menu

Setup Wallee Payment Gateway Option

Wallee Acquirer On Checkout

Select Wallee payment method and click Pay Now button. Then you will be redirected to payment screen.

Enter card details and click Pay

Payment Successfully Paid

After payment completed successfully you will be redirected to confirmation screen

Portal Sales Order Payment

Portal Order Paid using Wallee

Portal Invoice Payment

Portal Invoice Paid using Wallee

Wallee Refund

To create a Wallee Refund. Fist create a reverse invoice by click on ADD CREDIT NOTE button and Then click REVERSE.

Confirm reverse invoice. Then click REGISTER PAYMENT. IN popup select Bank journal and Wallee Payment method. Then click CREATE PAYMENT

You can see created refund in wallee.