var gwActionName = 'gwActionName';
var gwClassName = 'gwClassName';
var itemId = '123';
var callback = function(
	parmas //Object
){
	var hasAction = parmas.hasAction;
	var gwAction = parmas.gwAction;
	var hasPermission = parmas.hasPermission;
	var item = parmas.item;
	if(hasAction && gwAction && hasPermission){
		//TODO
	}
};
	
checkGwActionPermissions(gwActionName, gwClassName, itemId, callback);