public Builder setLastAttempt(com.google.cloud.tasks.v2beta3.Attempt.Builder builderForValue) {
      if (lastAttemptBuilder_ == null) {
        lastAttempt_ = builderForValue.build();
      } else {
        lastAttemptBuilder_.setMessage(builderForValue.build());
      }
      bitField0_ |= 0x00000400;
      onChanged();
      return this;
    }
<pre>
Output only. The status of the task's last attempt.
</pre>

<code>.google.cloud.tasks.v2beta3.Attempt last_attempt = 9;</code>
java-tasks/proto-google-cloud-tasks-v2beta3/src/main/java/com/google/cloud/tasks/v2beta3/Task.java