How to remove some of the members from truss?

[cheahjunyao1998]

I have created a truss and would like to remove some of the truss members. May I know how can I do so? 

[jeremy_tammik]

First, perform your task manually in the user interface. Then, analyse how every step of this process affects the Revit database, e.g., using RevitLookup and analysing the journal file. That will indicate what steps to perform using the API:

https://thebuildingcoder.typepad.com/blog/2017/01/virtues-of-reproduction-research-mep-settings-onto...