Hands-On Serverless Computing

Trigger

The Azure Blob storage trigger for Azure Functions will start a function whenever a new or updated blob is detected in storage. Whatever changes happened in blob storage are provided as an input to the Azure Function.

You can also leverage Azure Event Grid's (https://docs.microsoft.com/en-us/azure/event-grid/overview) support for blob events and use that to start Azure Function whenever changes are detected with a publisher, which, in this case, is Azure Blob storage.

An example function.json binding for an Azure Blob storage trigger will look as follows:

{"disabled": false,"bindings": [{"name": "kuldeepsBlob","type": "kuldeepsblobTrigger","direction": "in","path": "bookChapters/{chapter}","connection": "MyStorageSetting"}]}

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