Wox support following command arguments:
Wox.exe reloadplugin
This argument will reload all plugins. If you copyed a new plugin directory and didn't want to restart Wox to make the new plugin work, this arguments may help you.
Wox.exe query <your query>
This argument will open wox dialog and input your query automatically.
Wox.exe hidestart
This argument will open Wox, but without dialog. This used in auto start when OS start.
Wox.exe installplugin <plugin path>
This argument will install plugin if you give it the plugin path.