{{Note | The steps below describe what needs to be done in {{IMSMANG}}. The sub-theme needs also to be defined in the imsma.mxd and the map should be imported again. These steps are described in [[How to work with Sub-Themes in IMSMA.mxd]].}}
IMSMA allows you to add up to five customised themes, called Sub-themes, to each of the IMSMA themes. Sub-themes can be created based on '''single-select''' {{IMSMANG}} system fields or Custom-Defined Fields for that theme.
[[Image:Customise Subtheme0.png|400px|center]]
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IMSMA allows you to add up to five customised themes, called Sub-themes, to each of the IMSMA themes. Sub-themes can be created based on '''single-select''' {{IMSMANG}} system fields or Custom-Defined Fields for that theme. ==Steps==__NOEDITSECTION__As an example , Victim by Gender theme will be used. <p>To add sub-themes:</p><ol><li>From the Customisation menu, select '''Sub-Themes Manager'''.</li><li>The Customise Sub-Themes window displays. Each theme contains five blank rows for adding a sub-theme. These are labelled ''UserDefined1'', ''UserDefined2'', ''UserDefined3'', ''UserDefined4'', and ''UserDefined5''.
[[Image:Customise Subtheme1.png|400px|center]]
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'' Customise Sub-Themes window''
</div> <li>The Customise Sub-Themes window displays.</li> Each theme contains five blank rows for adding a sub-theme. These are labelled ''UserDefined1'', ''UserDefined2'', ''UserDefined3'', ''UserDefined4'', and ''UserDefined5''.
<li>Select the row of the sub-theme that you want to assign or reassign.</li>
<li>Click the [[File:FieldViewIcon.png]] button.</li>
<li>Select a field from the Sub-Theme drop-down list.</li>
<li>Click the '''Save''' button.</li>
<li>The sub-theme displays in the Source column on the Customise Sub-Theme window.
[[Image:Customise Subtheme2.png|400px|center]]
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'' Updated Customise Sub-Themes window ''
</div></li><li>The sub-theme displays in is automatically added to the Source column on IMSMA Themes tab of the Customise Sub-Theme window[[Map Display Window]].</li>
[[Image:MapDisplaySubtheme.png|400px|center]]
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'' Updated IMSMA Themes window''
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<li>The sub-theme is automatically added to the IMSMA Themes.</li>
{{note| Once a sub-theme has been assigned to a blank row, that row cannot be unassigned (made blank) again. It can only be reassigned to another sub-theme. }}
{{Warning | The sub-theme assignments are '''not''' stored in the IMSMA database. They are stored in the file ''C:\IMSMAng\client\conf\UserPrefs.props''. The file is included in the ''Map Data'' option of backup and restore.}}</li>
<li>You have now done the definition steps in {{IMSMANG}}.</li>