Creating a blob trigger

In this recipe, we'll create a function app with the Azure Functions V3 runtime and learn how to create a blob trigger using Visual Studio, and we'll also see how the blob trigger gets triggered when the CSV file is uploaded successfully to the blob container.

How to do it…

Perform the following steps:

1. Add a new project named CSVImport.DurableFunctions to the existing solution by choosing the Azure Functions template, as shown in Figure 8.8:
   

   Figure 8.8: Visual Studio—creating a new Azure Functions project

2. The next step is to choose the Azure Functions runtime as well as the trigger. Choose Azure Functions v3 (.NET Core), choose Blob trigger, and provide the following:

   Storage Account (AzureWebJobsStorage): This is the name of the storage account in which our blob container resides.

   Connection string setting: This is the connection string key name that refers to the storage account.

   Path: This is the name of the blob container...