Ruffle in Launchbox - Need Help Plz

[EvoRetroGame]

Hi, I try to get run Ruffle in fullscreen with scale=showAll and forceScale=true.
Here is my default line parameters command in launchbox: --fullscreen --scale=showAll --forceScale=true
Like this Ruffle won't launch at all, if remove command line than emu is running without any issue but no parameters apply....
Really need help on this one please.

[n0samu]

The correct arguments to use are:
--fullscreen --scale=show-all --force-scale

[EvoRetroGame]

Thanks so much , it work;)
Cheers