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Public Preview: Redis extension for Azure Functions

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Redis extension for [Azure Functions](https://learn.microsoft.com/en-us/azure/azure-functions/functions-overview) to create optimized serverless and event-driven architectures is now available in public preview. The Redis extension can be used as a [trigger](https://learn.microsoft.com/en-us/azure/azure-functions/functions-triggers-bindings) in Azure Functions, allowing Redis to initiate a serverless workflow. This functionality can be highly useful in data architectures like a [write-behind cache](https://azure.microsoft.com/resources/cloud-computing-dictionary/what-is-caching/#types-of-caching), or any [event-based architectures](https://learn.microsoft.com/en-us/azure/architecture/guide/architecture-styles/event-driven). Customers can trigger an Azure Function on various Redis data types, including pub/sub channels, lists, and streams, as well as [keyspace and keyevent notifications](https://redis.io/docs/manual/keyspace-notifications/). This allows for automatic [write-behind or write-through](https://azure.microsoft.com/en-us/resources/cloud-computing-dictionary/what-is-caching/#types-of-caching) caching, where new cache values are automatically written to a backing database, or cache consistency with a database or storage account is ensured by triggering updates when a key expires or is updated. This update expands the possibilities of serverless architectures and allows for greater flexibility and scalability in app development. For more info: [Using Azure Functions | Microsoft Learn](https://learn.microsoft.com/en-us/azure/azure-cache-for-redis/cache-how-to-functions?pivots=programming-language-csharp) * Azure functions * Features * [ Azure functions](https://azure.microsoft.com/en-gb/products/functions/)