<Task xmlns="http://hl7.org/fhir">
<id value="ehealth-task-genexample"/>
<groupIdentifier>
<system
value="http://www.acme.com/identifiers/patient or urn:ietf:rfc:3986 if the Identifier.value itself is a full uri"/>
<value value="123456"/>
</groupIdentifier>
</Task>
