API to set preferences

[s_abeed]

Is there a way to set the line umber, spec and size programmatically? I am referring to these preferences as in pic below.

[jabowabo · Accepted solution]

https://forums.autodesk.com/t5/autocad-plant-3d-forum/change-spec-and-size-from-api/td-p/11726605

[s_abeed]

thanks problem solved