function ensure (filters, action, params) {
    return expose(function (args) {
        var error;
        var filtersPassed = true;
        var errors = [];
        params = require('~/cartridge/scripts/object').extend(params,args);

        for (var i = 0; i < filters.length; i++) {
            LOGGER.debug('Ensuring guard "{0}"...',filters[i]);

            filtersPassed = Filters[filters[i]].apply(Filters);
            if (!filtersPassed) {
                errors.push(filters[i]);
                if (filters[i] === 'https') {
                    error = switchToHttps;
                } else if (filters[i] === 'loggedIn') {
                    error = requireLogin;
                }
                break;
            }
        }

        if (!error) {
            error = function () {
                throw new Error('Guard(s) ' + errors.join('|') + ' did not match the incoming request.');
            };
        }

        if (filtersPassed) {
            LOGGER.debug('...passed.');
            try {////// this is new
                return action(params);
            } catch (e) {
                if (require('dw/system/System').instanceType === dw.system.System.DEVELOPMENT_SYSTEM) {
                    response.getWriter().print(
                        '<script> window.console.error("%c DW:%c %s", "color: #0000FF", "color: #ff0000", "' +
                        (e + '\n' + e.stack).replace(/\n/g, '\\n').replace(/"/g, '\\"') + '");</script>');
                }
            }///////// ends
        } else {
            LOGGER.debug('...failed. {0}', error.name);
            return error(params);
        }
    });
}