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<li>Rename the copy to number 2. </li>
[[Image:Customise Subtheme6.png|700px600px|center]]
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'' The User Defined Theme 1 copy renamedWhich field and syntax to use''
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<li>Use the same field and syntax as another layer for this item e.g. Generic or by Type. </li>In this case the field to use is ''ParentFeatureID'' and ''<Null>'' should be used.
<li>Apply the same change to the all the other layers for Gender.
If you need guidance on how to work with symbology and the syntax for Values, see