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.