// Create a GlideDate object for today within the current scope
var today = new GlideDate();
// Subtract one day to get Yesterday's date
today.addDaysUTC(-1);
//Get the Formatted date in a specific format (e.g., 'yyyy-MM-dd')
var yesterdayDate = today.getByFormat('yyyy-MM-dd');
//For Testing
//yesterdayDate = '2023-10-02'
//gs.info('yesterdayDate---- '+yesterdayDate);