Multiple Fields in a Drop Down Relationship Pick List Using a Filter

When you need to change what is shown in the drop-down Select Field in a Relationship, you can use this method to base the value on other values in Post Type.

Useful when you need to change the value of a select field based on other fields in your Pod.

So let’s say, you are in a car pod, and want to select a tire type, but you want to display the tire manufacturer’s name in the list for easy browsing – Manufacturer in this case is a relationship field of Tire

You’d replace RELPODNAME with tires and with

Submitted by Markus Stefano on GitHub