Support MOMS Foundation While Shopping! Together a Greater Good Step 1. Download the TAGG app. Step 2: Shop at one of the participating vendors in Omaha or Lincoln. Open the app and take a photo of your receipt. Step 3. Choose Metro Omaha Medical Society Foundation as your cause and the vendor will donate 5% of your purchase price to MOMS Foundation. Step 4. Share your good deed with friends on social media (and in person) and encourage them to TAGG for MOMS Foundation