Mastering Azure Serverless Computing

Introduction to Azure Functions

The Azure Functions platform allows you to run a piece of code (basically a simple function) in response to a wide variety of events; for example, you can run code when a client makes an HTTP request or when someone puts a message into a queue.

There are two fundamental concepts to understand when approaching the world of Azure Functions—triggers and bindings:

• Triggers are what cause a function to run; they define what kind of event the function responds to. A trigger tells you how a function is called, and a function must have exactly one trigger. Triggers have associated data, which is often provided as the payload of the function, and you can use the data contained in the payload to better understand the ...