An Entity serializer that will lookup and possibly create the Entity object on validation, if it does not exist in the database yet.

Only the field uid is provided when using write HTTP methods.

Used by ModelSerializer(s) having one or more nested relations with Entity, and having the constraint to ensure that entity instances exist before they can be saved properly.

An Entity serializer that will lookup and possibly create the Entity object on validation, if it does not exist in the database yet.

Only the field uid is provided when using write HTTP methods.

Used by ModelSerializer(s) having one or more nested relations with Entity, and having the constraint to ensure that entity instances exist before they can be saved properly.