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Read this on the main serverless docs site ¶

Blob Storage Trigger¶

Azure Functions Blob Storage trigger lets you listen on Azure Blob Storage. Full documentation can be found on azure.com.

Blob Storage Events¶

Blob Storage Trigger¶

This setup specifies that the hello function should be run when a new Blob Storage item appears on the blob container "hello/{name}", where {name} is the name of the blob uploaded..

Here's an example:

# serverless.yml

functions:
  example:
    handler: handler.hello
    events:
      - blob:
        name: item #<string>, default - "myBlob", specifies which name is available on `context.bindings`
        path: hello/{name}
        connection: AzureWebJobsStorage #<string>, default - "AzureWebJobsStorage", App Setting/environment variable which contains Storage Account Connection String

// handler.js

'use strict';

module.exports.hello = function (context, item) {
  context.log('Received item: ${item}');
  context.done();
};