functions-bindings.md

author	ggailey777
ms.service	azure-functions
ms.topic	include
ms.date	12/12/2025
ms.author	glenga
ms.custom	fasttrack-edit

This table shows the bindings that are supported in the major versions of the Azure Functions runtime:

Type	4.x1	1.x2	Trigger	Input	Output
Blob Storage	✔	✔	✔	✔	✔
Azure Cosmos DB	✔	✔	✔	✔	✔
Azure Data Explorer	✔			✔	✔
Azure SQL	✔		✔	✔	✔
Dapr4	✔		✔	✔	✔
Event Grid	✔	✔	✔		✔
Event Hubs	✔	✔	✔		✔
HTTP and webhooks	✔	✔	✔		✔
IoT Hub	✔	✔	✔
Kafka3	✔		✔		✔
Mobile Apps		✔		✔	✔
Model Context Protocol	✔		✔
Notification Hubs		✔		✔
Queue Storage	✔	✔	✔		✔
Redis	✔		✔	✔	✔
RabbitMQ3	✔		✔		✔
SendGrid	✔	✔			✔
Service Bus	✔	✔	✔		✔
Azure SignalR Service	✔		✔	✔	✔
Table Storage	✔	✔		✔	✔
Timer	✔	✔	✔
Twilio	✔	✔			✔

1. Register all bindings except HTTP and timer. See Register Azure Functions binding extensions. This step isn't required when using version 1.x of the Functions runtime.
2. Support ends for version 1.x of the Azure Functions runtime on September 14, 2026. Migrate your apps to version 4.x for full support.
3. Triggers aren't supported in the Consumption plan. This binding type requires runtime-driven triggers.
4. This binding type is supported in Kubernetes, Azure IoT Edge, and other self-hosted modes only.