Hello @RIck_Allen!
When referencing an existing linked record field in an automation you have the choice to dynamically reference the length, record ids, or text of those records:
![Screen Shot 2021-03-29 at 4.03.09 PM Screen Shot 2021-03-29 at 4.03.09 PM](/t5/image/serverpage/image-id/18677i6C285F5FCA129729/image-size/large?v=v2&px=999)
Let me know if that helps- or if I can answer any other questions about Automations!