如何将值从iron-ajax传递到同一级别的元素？

<iron-ajax id="ajax" url="your-api-url" handle-as="json" last-response="{{responseData}}"></iron-ajax>
<custom-element data="{{responseData}}"></custom-element>

<iron-ajax id="ajax" url="your-api-url" handle-as="json" on-response="handleResponse"></iron-ajax>
<custom-element on-data-received="handleData"></custom-element>

handleResponse(event) {
  const responseData = event.detail.response;
  this.dispatchEvent(new CustomEvent('data-received', { detail: responseData }));
}

handleData(event) {
  const data = event.detail;
  // 处理接收到的数据
}

<parent-element>
  <iron-ajax id="ajax" url="your-api-url" handle-as="json" last-response="{{responseData}}"></iron-ajax>
  <custom-element></custom-element>
</parent-element>