How to get the Channel Id from the Linked Conversations object?

A common use case requires the using the Linked Conversations object to get the Channel Id to post additional messages to the Slack Channel, Archive the Channel, or Add New Members.  Other pertinent information includes Salesforce Record Id, Message TS, Slack Member Id, or Conversations Name.  

Below is a click-through example of how to get the Channel Id from a record triggered Salesforce Flow: