Dataview groupnames for an user

The groupnames view lists all groups of a user including the group name.

<um:groups xmlns:um="http://onionworks.net/2004/usermanagement" xmlns:onion="http://onionworks.net/2004/data">
<um:group um:href="onion://usermanagement/groups/3" um:name="Benutzer" />
<um:group um:href="onion://usermanagement/groups/7" um:name="Developer" />
</um:groups>
Dataview for xlink onion://usermanagement/user/1

Note: This view is a comfort view and should be only used if all group names are needed.