<views >
<view name="default" refresh-seconds="300" >
<rows>
<row-def row="1" label="Routers" >
<category name="Routers"/>
</row-def>
<row-def row="2" label="Switches" >
<category name="Switches" />
</row-def>
<row-def row="3" label="Servers" >
<category name="Servers" />
</row-def>
</rows>
<columns>
<column-def col="1" label="PROD" >
<category name="Production" />
</column-def>
<column-def col="2" label="TEST" >
<category name="Test" />
</column-def>
<column-def col="3" label="DEV" >
<category name="Development" />
</column-def>
</columns>
</view>
column-def label is right instead of column-def col="1"