public Builder setIframeAdResource(com.google.cloud.video.stitcher.v1.IframeAdResource value) {
      if (iframeAdResourceBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        adResource_ = value;
        onChanged();
      } else {
        iframeAdResourceBuilder_.setMessage(value);
      }
      adResourceCase_ = 10;
      return this;
    }
<pre>
The IFrame ad resource associated with the companion ad.
</pre>

<code>.google.cloud.video.stitcher.v1.IframeAdResource iframe_ad_resource = 10;</code>
java-video-stitcher/proto-google-cloud-video-stitcher-v1/src/main/java/com/google/cloud/video/stitcher/v1/Companion.java