I am creating new payment plugin. but i am getting issue as below
Nop.Core.Domain.Customers.Customer' does not contain a definition for 'GetAttribute' and no extension method 'GetAttribute' accepting a first argument of type 'Nop.Core.Domain.Customers.Customer' could be found (are you missing a using directive or an assembly reference?)
i have loose alots of time for resolve that issue please help me.
Please help me it's very very urgent.