> For the complete documentation index, see [llms.txt](https://usecaseframework.openactive.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://usecaseframework.openactive.io/appendix-one-engagement-protocol.md).

# Appendix one - Engagement protocol

- [Prioritisation matrix](https://usecaseframework.openactive.io/appendix-one-engagement-protocol/prioritisation-matrix.md)
- [Support tiers](https://usecaseframework.openactive.io/appendix-one-engagement-protocol/support-tiers.md)
- [Interaction process map](https://usecaseframework.openactive.io/appendix-one-engagement-protocol/interaction-process-map.md)