The Sync Gateway technical series delves into configuring the Sync Function through Channels for data orchestration, focusing on data routing and access controls. Chris Anderson demonstrates using tags from Stackoverflow questions to sync specific topics to users based on their interests, generating channel names dynamically through a JavaScript function in Sync Gateway. The example illustrates how these tags, serving as document type keys, enable accessibility control, with a JSON configuration file specifying the sync function to pass tags into the channel function. In Couchbase's administration console, channels display content based on these tags, aiding in Sync Function logic development. Using Couchbase Lite's replication API, mobile clients can sync user-specific content by setting channel names, ensuring efficient data synchronization and offline functionality via the changes feed API and sequence numbers. The series highlights the importance of validating document types and providing security through user authorization, encouraging further reading for development and troubleshooting of channels in Sync Gateway.