description: 'A room may be ``public`` meaning anyone can join the room without any prior action. Alternatively, it can be ``invite`` meaning that a user who wishes to join the room must first receive an invite to the room from someone already inside of the room. Currently, ``knock`` and ``private`` are reserved keywords which are not implemented.'
properties:
content:
properties:
join_rule:
description: The type of rules used for users wishing to join this room.
enum:
- public
- knock
- invite
- private
type: string
required:
- join_rule
type: object
state_key:
description: A zero-length string.
pattern: '^$'
type: string
type:
enum:
- m.room.join_rules
type: string
title: Describes how users are allowed to join the room.
