I am rolling my own REST API endpoint using some of your code. I want to pick out certain sets of field to include in my endpoint. My main dilemma is that your rest api response shows values for the posts as ID and I need them as the post title. So I am looping through my group fields and also my relationship fields. In the group fields, there is a meta key value to call out the fact that is a group field. In your code you use in_array to accomplish this. Can you add the same meta key to a relationship field? It goes with the stuff like placeholder, name, id, field type, etc. Thank you!
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