public String getTaskToken() {
        return this.taskToken;
    }
<p>
The token that represents this task. Task tokens are generated by Step Functions when tasks are assigned to a
worker, or in the <a
href="https://docs.aws.amazon.com/step-functions/latest/dg/input-output-contextobject.html">context object</a>
when a workflow enters a task state. See <a>GetActivityTaskOutput$taskToken</a>.
</p>

@return The token that represents this task. Task tokens are generated by Step Functions when tasks are assigned
        to a worker, or in the <a
        href="https://docs.aws.amazon.com/step-functions/latest/dg/input-output-contextobject.html">context
        object</a> when a workflow enters a task state. See <a>GetActivityTaskOutput$taskToken</a>.
aws-java-sdk-stepfunctions/src/main/java/com/amazonaws/services/stepfunctions/model/SendTaskHeartbeatRequest.java