To participate in the Mcdonald's Customer Satisfaction Survey at the official site of mcdvoice, Visit mcdvoice within 7 days. Choose en español or english. Login to begin the online survey, you need to have a receipt survey code with a printed bogo deal (buy one get one any sandwich). If you don’t have receipt code, Click here Enter the survey code on mcdvoice to answer the questions. This mcdonalds online survey displayed on Mcdvoice. Just Complete the Survey to get a McDonald's dinner box or new happy meal from the restaurant . Then Mcdonalds validation code is displayed that can be used to redeem the (validation code number) offer printed on your recent receipt 2024.