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Excellent work -- thanks!

I'd like to automate some things, e.g. a shortcut for setting "No copy"

Do you have suggestions for how to do this, e.g. by using tbkeys?

Ta opinia jest o wcześniejszej wersji dodatku (3.27). 

In the settings of the add-on you can activate 'show two icons'. One of the icons is 'Send with no copy'. Also in the setting, you can define some shortcuts.