Slides from an on-line workshop given at Samvera Connect 2020 On-line described thus and *Overview of the M3 schema *Requirements and Installation for Allinson Flex *Overview of Allinson Flex usage *Constraints and next steps discussion Allinson Flex brings on the fly user editable M3 metadata schemas to Hyrax and repositories built with similar components. We'll dive deep into what the M3 schema is and how it is structured, how Allinson Flex works today and what our plans for the future bring. Workshop will be divided into 2 parts. Part 1 will be a feature overview and discussion / dive into how M3 schemas are laid out. Part 2 will be a hands on installation and configuration of the Allinson Flex tools and a code dive into certain features.