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Make sure there is a .desktop file in either:
 /usr/share/applications/
 or
 ~/.local/share/applications/
 Next, make sure the [Exec] of that item includes %f to specify where the file name goes in the command.
 Now execute:
 sudo update-desktop-database
 For more info / variables in Exec see:
https://specifications.freedesktop.org/desktop-entry-spec/latest/ar01s06.html