Modifying WSO2 BPS Claims Approval Task Sample for Escalation and deadline. Sample URL: http://docs.wso2.org/wiki/display/BPS300/Claims+Approval+Task+Sample

Deadline.xml

<htd:task name="ApproveClaim">
<!-- Task definition is here -->	
	<htd:deadlines>
		<htd:startDeadline name="sendNotifications">
			<htd:documentation xml:lang="en-US">
				if the claimed amount is less than 10000 and not started within 5 minutes, escalation notifications are sent
				-to the task's potential owners.
			</htd:documentation>
			<htd:for>PT5M</htd:for>
			<htd:escalation name="reminder">
				<htd:condition>
					<![CDATA[htd:getInput("ClaimApprovalRequest")/test10:amount < 10000]]>	
				</htd:condition>
				<htd:toParts>
					<htd:toPart name="firstname">htd:getInput("ClaimApprovalRequest")/test10:cust/test10:firstname</htd:toPart>
					<htd:toPart name="lastname">htd:getInput("ClaimApprovalRequest")/test10:cust/test10:lastname</htd:toPart>
				</htd:toParts>
				<htd:localNotification reference="tns:ClaimApprovalReminder">
					<htd:documentation xml:lang="en-US">
						Reuse the predefined notification "ClaimApprovalReminder".
						Overwrite the recipients with the task's potential owners.
					</htd:documentation>
					<htd:peopleAssignments>
						<htd:recipients>
							<htd:from>htd:getPotentialOwners("ApproveClaim")</htd:from>
						</htd:recipients>
					</htd:peopleAssignments>
				</htd:localNotification>
			</htd:escalation>
		</htd:startDeadline>
	</htd:deadlines>
</htd:task>