public Builder clearPayloadOptions() {
      bitField0_ = (bitField0_ & ~0x00000040);
      payloadOptions_ = null;
      if (payloadOptionsBuilder_ != null) {
        payloadOptionsBuilder_.dispose();
        payloadOptionsBuilder_ = null;
      }
      onChanged();
      return this;
    }
<pre>
Optional. Options about what data to include in the event payload. Only
supported for Google Chat events.
</pre>

<code>
.google.apps.events.subscriptions.v1.PayloadOptions payload_options = 6 [(.google.api.field_behavior) = OPTIONAL];
</code>
java-workspaceevents/proto-google-cloud-workspaceevents-v1/src/main/java/com/google/apps/events/subscriptions/v1/Subscription.java