{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://api-evangelist.github.io/heroiclabs/json-schema/apiChannelMessage.json",
  "title": "apiChannelMessage",
  "type": "object",
  "properties": {
    "channelId": {
      "type": "string",
      "description": "The channel this message belongs to."
    },
    "messageId": {
      "type": "string",
      "description": "The unique ID of this message."
    },
    "code": {
      "type": "integer",
      "format": "int32",
      "description": "The code representing a message type or category."
    },
    "senderId": {
      "type": "string",
      "description": "Message sender, usually a user ID."
    },
    "username": {
      "type": "string",
      "description": "The username of the message sender, if any."
    },
    "content": {
      "type": "string",
      "description": "The content payload."
    },
    "createTime": {
      "type": "string",
      "format": "date-time",
      "description": "The UNIX time (for gRPC clients) or ISO string (for REST clients) when the message was created."
    },
    "updateTime": {
      "type": "string",
      "format": "date-time",
      "description": "The UNIX time (for gRPC clients) or ISO string (for REST clients) when the message was last updated."
    },
    "persistent": {
      "type": "boolean",
      "description": "True if the message was persisted to the channel's history, false otherwise."
    },
    "roomName": {
      "type": "string",
      "description": "The name of the chat room, or an empty string if this message was not sent through a chat room."
    },
    "groupId": {
      "type": "string",
      "description": "The ID of the group, or an empty string if this message was not sent through a group channel."
    },
    "userIdOne": {
      "type": "string",
      "description": "The ID of the first DM user, or an empty string if this message was not sent through a DM chat."
    },
    "userIdTwo": {
      "type": "string",
      "description": "The ID of the second DM user, or an empty string if this message was not sent through a DM chat."
    }
  },
  "description": "A message sent on a channel."
}