If the user wish to add any other Payment method other than the default ones then they need follow the below steps:
1. Go to Warehouse Facilities.
2. Click on Payment Methods Sub module.
3. Click On Add New Payment Method
4. Define Payment method Name and Code and select whether it will be COD or Prepaid and click on create.
5. The payment method will get added and will now be visible in the drop down while creating orders.