+\section filter_belong_to_group Belong to Mesh Group
+
+Filter mesh entities (nodes or elements) included in a mesh group
+defined by threshold value:
+- element type can be any entity type, from \a SMESH.NODE to \a SMESH.VOLUME
+- functor type should be \a SMESH.FT_BelongToMeshGroup
+- threshold is mesh group object
+
+\tui_script{filters_belong2group.py}
+