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