If you need to save it as a file, use "Browser invoke download", but it may open "Save as" dialog. Or you can save it silently to disk with NWJS plugin.
Saving to local storage is also possible, but of course this will be hidden from the user.
Hello,
I have made a snapshot as an URI with the action "Take snapshot", but then I don't know what to do with it, in order to store the snapshop on disk (without opening any new browser tab). I think I have to use LocalStorage object but I don't understand how.
This recently posted thread looks relevant.
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Dop2000: I don't want to open any "save as" dialog, I want it to be done automatically.
Ashley: Not possible in Construct 2, okay thanks.