public Builder clearPayload() {
      bitField0_ = (bitField0_ & ~0x00000001);
      payload_ = getDefaultInstance().getPayload();
      onChanged();
      return this;
    }
<pre>
A data payload consumed by the worker to execute the task.
</pre>

<code>bytes payload = 1;</code>

@return This builder for chaining.
java-tasks/proto-google-cloud-tasks-v2beta2/src/main/java/com/google/cloud/tasks/v2beta2/PullMessage.java