How to put a custom "Open With" button directly into the menu bar

[dieters]

Hey, I have a custom "Open With", which can be called with "Alt+1".
I want to have a button in the menu bar that directly calls it.
At the moment, I have to click the "Open With" button and then select the option.

button.jpg

I tried to use the --COMMAND-- option, but that does not give the same result, if the image has been altered and not saved.
The --COMMAND-- option passes the original filename as a parameter.
However, "Open With" passes the temporary filename as a parameter.
I need the temporary filename or, if possible, both filenames as parameters.

Does anyone have an idea how this can be realized?

[cday]

You might check your spelling throughout, multiple inconsistencies...

You wish to create a custom 'OpenWith' shortcut?

[dieters]

Yes, sorry, English is not my native language. I tried to fix it.