How to allocate a client against an AirTable advertising Placement

Tango link below with a how to + screengrabs

https://app.tango.us/app/workflow/Succinct-Step-By-Step-Process-for-Navigating-and-Updating-Fields-in-Autex-Acoustics-NZ-22beb4c3d2f34a52ad225d2103d23796