# Random information that may be useful to contributors

## Custom Matrix types

- `eu.steffo.meta.twom.party`: room type used to distinguish TwoM parties from regular rooms, which are hidden.
- `eu.steffo.meta.twom.rsvp`: state event type used for the user's response to a party invitation; uses the replying user's mxid as state key, and has an object with the following keys as payload:
  - `eu.steffo.meta.twom.answer`: a string containing one of these values, indicating the user's presence at the party:
    - `"SURE"`
    - `"LATER"`
    - `"MAYBE"`
    - `"NOWAY"`
    - `""`
  - `eu.steffo.meta.twom.comment`: a string containing an user's freeform comment provided in addition to the answer.

## Known issues

- Avatar URLs are sometimes fetched before they're available on the homeserver, causing them not to be loaded correctly on party creation.
- Due to API limitations, the app does not check if the user has permissions to perform certain actions, such as changing the name of a party, and instead returns a `MatrixError` when the action is attempted.
- Due to Matrix protocol limitations, any user can change other users' party replies by sending custom state events, even though this app itself does not allow it.