Can't complete custom API request via make.com

Question:
How to complete WIX connection using OAuth 2 & Make - The code is not accessible

Product:
REST API & WIX Studio

What are you trying to achieve:
Completing OAuth 2 authentication using Make.com , But can’t get my token properly that way

What have you already tried:
I prepared a custom app & connected it to Make.com successfully - but, when I’m trying to perform Custom API Call that demand my token - It’s unaccessible and I can’t perform my request