Please follow the below steps:-

1. Login to BOS with your user credentials.
2. Tap menu (located on the top right side)
3. Tap settings.
4. Tap store.
5. Scroll to see the Gateway option. Select the Gateway option.
   
   
6. Select the Add option.
   
   
7. 7. Click on the Payment drop menu to select a Rapid Pay Tech payment gateway.
   
   
   
   
   
   

   Fields	Description
   Description	Please enter the Payment gateway name.
   Gateway ID	Please enter 23 for Gateway Id
   User name	Please enter your store email Id into Username.
   Password	Please enter your store password into Password.
   Operation Mode	Select Live mode.
   Allow manual processing	If you want to do the process manually while doing the payment process from your POS System, select Allow manual processing checkbox.
   IsDefault	Select the Isdefault check box to use the payment gateway by default from your POS.
   Gateway Platform	Select the Gateway platform on which platform you want to use the selected gateway.