web-server/data/release/plugIns/Uniquity.xml

<plugin xmlns:gml = "http://www.opengis.net/gml" xmlns:xsi = "http://www.w3.org/2001/XMLSchema-instance" xmlns:ogc = "http://www.opengis.net/ogc" xmlns = "pluginSchema" xsi:schemaLocation = "pluginSchema /data/capabilities/validate/pluginSchema.xsd" >
<name>Uniquity</name>
<description>Check for uniqueness.</description>
<class>org.geotools.validation.attributes.UniquityValidation</class>
</plugin>