Can I prevent spare parameter from writing to undo stack?

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34 posts
Joined: 6月 2019
Is it possible to make a spare parameter (dynamically added to the node) not to write to undo stack. More specifically I still want to have a callback and do my own logic when parm is changing. It's just I don't want to changing to this parameter appearing in undos.
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1321 posts
Joined: 7月 2005
In your callback, try this: []
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