-trias.ExtrusionAlongPath([], circlemesh, circle,
- 1, 0, [], 0, SMESH.PointStruct(0, 0, 0))
+trias.ExtrusionAlongPath([], circlemesh, circle, 1, MakeGroups=True )
+
+# get a group "opposite" to faceTriGroup within the generated prismatic mesh
+oppositeGroup = trias.GetGroupByName( faceTriGroup.GetName() + "_top" )[0]
+
+# get edges of the groups
+edgeGroup = trias.CreateDimGroup([ faceTriGroup, oppositeGroup ], SMESH.EDGE, "face edges")