Public Preview: Azure Cosmos DB for MongoDB (vCore) trigger and bindings for Azure Functions

Integration between Azure Functions and Azure Cosmos DB for MongoDB (vCore) is now available in public preview. You can now respond to changes in your collections using Azure Functions triggers and bindings, enabling you to easily build real-time, event-driven applications. The public preview supports Azure Functions triggers in C# for Azure Cosmos DB for MongoDB (vCore). 

Learn more.