Azure Serverless Computing Cookbook - Second Edition

How to do it...

If you think of Durable Functions as a workflow, then the activity trigger function can be treated as a workflow step that takes some kind of optional input, performs some functionality, and returns an optional output. It's one of the core concepts of Azure Durable Functions.

You can learn more about the Activity Trigger at https://docs.microsoft.com/en-us/azure/azure-functions/durable-functions-types-features-overview.

Before we create the activity trigger function, let's build the dependency functions.