{
  "$id": "http://unpkg.com/@nju33/json-schema/schemas/slack/api/chat/index.json",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "JSON schema for Slack chat.*",
  "oneOf": [
    {
      "$ref": "./post-message.json#/definitions/postMessage"
    }
  ]
}