--- /dev/null
+# Copyright (C) 2014-2019 CEA/DEN, EDF R&D
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+#
+# See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+#
+
+from salome.shaper import model
+
+from ConfigAPI import *
+from ModelAPI import *
+
+model.begin()
+partSet = model.moduleDocument()
+Part_1 = model.addPart(partSet)
+Part_1_doc = Part_1.document()
+Box_1 = model.addBox(Part_1_doc, 10, 10, 10)
+model.do()
+
+# load 'Filters' plugin
+FiltersFeature = model.filters(Part_1_doc, [model.addFilter(name = "OnGeometry", args = [model.selection("FACE", "Box_1_1/Left")])])
+
+FiltersFactory = ModelAPI_Session.get().filters()
+Filter = FiltersFactory.filter("OnGeometry")
+
+# read XML representation to load validator
+ValidatorReader = Config_ValidatorReader(Filter.xmlRepresentation(), True)
+ValidatorReader.setFeatureId("FiltersSelection")
+ValidatorReader.readAll()
+
+aFactory = ModelAPI_Session.get().validators()
+# no Group, thus not valid yet
+assert(not aFactory.validate(FiltersFeature.feature()))
+
+Group_1 = model.addGroup(Part_1_doc, "Faces", [model.selection("FACE", "Box_1_1/Left"), FiltersFeature])
+assert(aFactory.validate(FiltersFeature.feature()))
+
+model.end()
