@java.lang.Override
  public com.google.cloud.tasks.v2beta2.AppEngineHttpRequestOrBuilder
      getAppEngineHttpRequestOrBuilder() {
    if (payloadTypeCase_ == 3) {
      return (com.google.cloud.tasks.v2beta2.AppEngineHttpRequest) payloadType_;
    }
    return com.google.cloud.tasks.v2beta2.AppEngineHttpRequest.getDefaultInstance();
  }
<pre>
App Engine HTTP request that is sent to the task's target. Can
be set only if
[app_engine_http_target][google.cloud.tasks.v2beta2.Queue.app_engine_http_target]
is set on the queue.

An App Engine task is a task that has
[AppEngineHttpRequest][google.cloud.tasks.v2beta2.AppEngineHttpRequest]
set.
</pre>

<code>.google.cloud.tasks.v2beta2.AppEngineHttpRequest app_engine_http_request = 3;</code>
java-tasks/proto-google-cloud-tasks-v2beta2/src/main/java/com/google/cloud/tasks/v2beta2/Task.java