public void setTaskStartedEventDetails(TaskStartedEventDetails taskStartedEventDetails) {
        this.taskStartedEventDetails = taskStartedEventDetails;
    }
<p>
Contains details about a task that was started.
</p>

@param taskStartedEventDetails
       Contains details about a task that was started.
aws-java-sdk-stepfunctions/src/main/java/com/amazonaws/services/stepfunctions/model/HistoryEvent.java