{
  /**
   * The allowed origin for messages corresponding to dynamic actions
   * triggered by another Web page using "window.postMessage()". The
   * special value "*" will allow any origin, which is an insecure
   * value to be used only during development. If this option is not
   * set, all the requests for dynamic actions will be rejected.
   * https://developer.mozilla.org/en-US/docs/Web/API/Window/postMessage
   **/
  "ExpectedMessageOrigin" : "http://localhost:8042"
}