Openroads SS4: Stationing Alignment with Linear Feature

Hi. I try to do stationing It can be done with native Inroads "View>Stationing". I wonder how to do stationing using feature definitions. I watched introductory video about Linear Features. In the tutorial, "Geom_Centerline" is selected before drawing. When I do it, just direction and distance information are displayed on the alignment.

Video's screenshoot:

version: Inroads ss4