{ "$schema": "http://json-schema.org/draft-04/schema#", "type": "object", "title": "TextMessage", "description": "This message is the most basic message and is used to represent text.", "allOf": [{ "$ref": "core/room_event.json" }], "properties": { "content": { "type": "object", "properties": { "msgtype": { "type": "string", "enum": ["m.text"] }, "body": { "type": "string", "description": "The body of the message." } }, "required": ["msgtype", "body"] }, "type": { "type": "string", "enum": ["m.room.message"] } } }