To set up auto-fill for linked posts follow these steps.

We will set up a linked post field on the event post type, linked to places, in order to auto-fill the events fields from the places post type. We will choose what fields are to be filled, then check that it works.

Add the linked posts field

In the Events Settings, choose the fields to be filled

Test the field in a new Event, to link to the Place and then fill fields from the event.

In the Events Settings, choose the fields to be filled

Test the field in a new Event, to link to the Place and then fill fields from the event.