How can i have one service task when all retries are completed

1

hi,

<serviceTask id="downloadDocuments"
			name="Download the documents" flowable:async="true"
			flowable:delegateExpression="${flowableFileDownloadServiceImpl}">
			<extensionElements>
        <flowable:failedJobRetryTimeCycle>R5/PT10S</flowable:failedJobRetryTimeCycle>
    </extensionElements>
		</serviceTask>

how can i have one more service task after LastFailedRetryTimeCycle ?(that service task should work only on it failes on all retry attempts ).
please help.