Select Apps & Integrations from the left-hand menu
Scroll down and click Payflow Pro
A modal will appear asking for 4 fields to be completed
Login - this is your Payflow Pro Merchant Login
Partner - this is the name of the organization from which you purchased PayFlow (e.g. PayPal)
User - Only required if you have set up multiple users on your account. Otherwise, this is the same as the 'Login' noted above
Password - your PayFlow Pro password
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