Removes GM Whispers From Characters in Roll20

NoWhisper

on("ready", function() {

    on("chat:message", function (msg) {
        if (msg.type === "api" && msg.content === "!NoWhisper")
        {
            var characters = findObjs({type: 'character'});
            for (var i=0; i<characters.length; i++)
            {
                if (getAttrByName(characters[i].id, 'wtype'))
                {
                    findObjs({_type: 'attribute', _characterid: characters[i].id, name: 'wtype'})[0].set('current', "");
                }
            }
        }

    });

});