1) Example for integrating API Yeah into your Web Server (XAMPP/Windows):
Web Server integration

2) This Video is about editing partner specific values in document parse_vars.php:
Init XML Variables

3) Retrieve Production MMD Values and write them into Variables:
Init MMD Variables

4) Editing the file paths for file transport (MMD) and payload XML creation:
How to edit file path

5) How to use API Yeah after all?:
How to use API Yeah after all?