The TTRAM (Transparent Trustworthy Repository Attributes Matrix) is a flexible, evolving tool to support mutual understanding, support and alignment within and beyond the FIDELIS Network. This document provides a brief guide to the TTRAM Template. An Introduction and Overview paper provides more detail on how it can be deployed, populated and expanded. The parameters and drivers behind the selection of the activities and functions (A|F), levels of retention, curation and preservation (LoRCAP) and the digital object, depositor and user characteristics supported by different repository types are covered in a separate Design Statement.