On This Page 
    Enroll in Google Pay
    Merchants must enroll in Google pay prior to it functioning in 
Unified Checkout
.Follow these steps to register the merchant with Google.
- Log into theBusiness Center.
 - Go toPayment Configuration>.Unified Checkout
 - Click theManagebutton.
 - In the Google Pay section, click theManagebutton.
 - Provide the merchant Business Name.
 - Read the Terms of Use.
 - ClickUpdate.
 
RESULT
Figure:
Google Pay Enrollment Page