Tag of the parent value. Compatible ParentReferenceLink components on the slot's immediate children must have the same tag.
Reference
T
The value of the parent value associated with the Tag and type.
Usage
When this component is on a slot, all immediate children are part of its parent value system. Any immediate children of the slot with a ParentReferenceLink component that matches the type and Tag of this component will be linked to the Reference provided by this component.