I created a new payment plugin for phonepe payment gateway. Its working fine but i dont know what should be the returnURL once the payment is made.
I tried.
1. var tempQueryParameters = queryParameters.Where(parameter =>
!string.IsNullOrEmpty(parameter.Value))
.ToDictionary(parameter => parameter.Key, parameter => parameter.Value);
var returnURL = tempQueryParameters["return"];
2. http://localhost:15536/onepagecheckout#opc-confirm_order