// Boolean expression to check if request date is within the next 7 days
(function() {
    const requestDate = workitem.getItemValueDate('request.date');
    const now = new Date();
    const sevenDaysFromNow = new Date(now.getTime() + 7 * 24 * 60 * 60 * 1000);
    return requestDate !== null && 
           requestDate !== undefined && 
           requestDate.getTime() >= now.getTime() && 
           requestDate.getTime() <= sevenDaysFromNow.getTime();
})();