Alias for PayloadHelper.metric (see its entry for details) with generic defaults for the non-msg parameters. Additional arguments beyond msg are considered varargs (variable length) and parsed accordingly.
Body
var args = _.drop(arguments,1);
PayloadHelper.metric('js:'+msg,getImplicitLogSource(),ListHelper.toList(args),getImplicitOptionalPayload().filter(function(p){ return p !== undefined; }));