You can provide data to the Community Maps Program in the form of a zipped Geodatabase or a Service. If you provide as a Service, you can also create a Service Subscription for automatic re-delivery. This video provides Service delivery Tips and Tricks for using Services in the Community Maps Contributor App
This App is used by Esri Communities to provide authoritative content that enriches the Living Atlas of the World Basemaps or other service (e.g., geocoding).
For more information, please visit:
https://communitymaps.arcgis.com/CMContributorApp/