Stairs, Ramps, and Railings - Autodesk Revit Architecture 2015 Essentials - page 108

6. Click Finish Edit Mode to complete the sketch.
7. Open the default 3D view and note that the railings are not yet hosted
to the stair but are instead hosted to Level 1.
8. Select one of the railings and click Pick New Host on the Tools panel.
9. Click the stair; this will change the railing host from Level 1 to
instead attach and follow the geometry of the stair.
10. Click Pick New Host for the second railing to complete the new railing
host (Figure 4.23).
FiGure 4.23 Railing before and after new host
In the following exercise you will customize an existing railing top rail to
allow for a custom termination condition.