Adjusting smartComponentValues works only after reopening the file

[YejinWi]

and maybe issue has been quite some time? :

Set Smart Component Value via Script (not working)

Weird, it does not work here. Also today not. But thanks for checking! Edit: For the record, after some debugging with Georg, we found that you need to save, close and re-open the file after adding a new Smart Component property. So it all works, generally