Take a look at the new guide to adding special callout blocks in article to enhance messaging.
Agent Help Center
Basic guidelines on how to use Zendesk for support
Various product training, process guides and release notes
Support guidelines for the Tindie marketplace
How to process enhancement requests from customers and internal resources.
A list of all available macros to expedite and standardize the triage process.
How to add info notes, warning, alerts, etc. to your knowledge base articles.