<value><string>Transformation must match chosen resource</string></value>
</item>
<item>
<key><string>expression</string></key>
<value><string>python: object.getResourceValue() is not None and object.getSpecialise() in object.getResourceValue().getResourceRelatedList(portal_type=object.getPortalTransformationTypeList())</string></value>
<value><string>python: object.getResourceValue() is not None and object.getSpecialise(portal_type=object.getPortalTransformationTypeList()) is not None and object.getResourceValue() == object.getSpecialiseValue(portal_type=object.getPortalTransformationTypeList()).getResourceValue()</string></value>