# Adding Room Numbers onto the Walls as parameter **URL:** \ **Category:** Revit\ **Created:** [November 28, 2017, 11:12am UTC](https://forum.dynamobim.com/t/adding-room-numbers-onto-the-walls-as-parameter/16898 "2017-11-28T11:12:48Z")\ **Posts on this page:** 1\ **Showing post:** 2
**Author:** ![Yna\_Db](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.dynamobim.com/yna_db/32/30641_2.png) [@Yna\_Db](https://forum.dynamobim.com/u/Yna_Db)\ **Post date:** [November 28, 2017, 11:27am UTC](https://forum.dynamobim.com/t/adding-room-numbers-onto-the-walls-as-parameter/16898/2 "2017-11-28T11:27:18Z")
This will help you to get started with the walls selection: > [@Parts in Room](https://forum.dynamobim.com/t/parts-in-room/14036/15): > > I got it from another way… much better! But, pay attention, when you work with parts, there is a “cheating”. if you check EXCLUDED (see red arrow), another ghost part is created. So, I got another nodes to leave only REAL PARTS in the lists. ROOM AND PARTS.dyn -\> listing all parts ROOM AND REAL PARTS.dyn -\> filtering somethings and filtering ghost parts [image] [Room and Parts.dyn](https://forum.dynamobim.com/uploads/short-url/zAPRi3CaGyK6feKPNQsDmVCZN68.dyn) (15.8 KB) [Room and Real Parts.dyn](https://forum.dynamobim.com/uploads/short-url/xmCsvy0bywYxJV2wk2AoJaksKk1.dyn) (32.7 KB) Getting and setting parameters can be done like so: > [@Type parameter into element parameter](https://forum.dynamobim.com/t/type-parameter-into-element-parameter/16781/2): > > You can start by trying to get and set parameters and see what happens: See also Element.SetParameterByNameTypeOrInstance and Element.GetParameterValueByNameTypeOrInstance nodes from Rhythm package, as well as what’s exposed in the [Dictionary](http://dictionary.dynamobim.com/#/Revit/Elements/Element/Action/GetParameterValueByName) if needed. --- _[View the full topic](https://forum.dynamobim.com/t/adding-room-numbers-onto-the-walls-as-parameter/16898)._