SessionPtr aMgr = ModelAPI_Session::get();
ModelAPI_ValidatorsFactory* aFactory = aMgr->validators();
aFactory->registerValidator("SketchPlugin_DistanceAttr",
SessionPtr aMgr = ModelAPI_Session::get();
ModelAPI_ValidatorsFactory* aFactory = aMgr->validators();
aFactory->registerValidator("SketchPlugin_DistanceAttr",