napchat geofilters allow users to create a filter that you can access by swiping right after you take a photo on Snapchat. The filter can tell you about an event that’s happening in your area or your specific location.
El Estoque • April 24, 2017 • https://elestoque.org/2017/04/24/entertainment/create-snapchat-geofilter/
How to create a Snapchat geofilter