{

"$schema": "http://json-schema.org/draft-07/schema",
"definitions": {
  "user": {
    "type": "object",
    "description": "definition snipped. learn more: https://api.slack.com/events/user_change",
    "properties": {
    }
  },
  "team_join": {
    "type": "object",
    "description": "learn more: https://api.slack.com/events/team_join",
    "properties": {
      "type": {
        "const": "team_join"
      },
      "user": {
        "$ref": "#/definitions/user"
      }
    },
    "example": {
      "type": "team_join",
      "user": {
      }
    }
  }
}

}