Using SendGrid with Azure Functions to Send Email

I’ve been working on a solution for a customer that utilizes SharePoint Online lists and libraries, PowerApps, Logic Apps, and Azure Functions. The solution works something like this: Project documents are stored and updated in a SharePoint Library by office staff. The shop floor needs to access the documents and know at a glance when documents have been updated. The PowerApp displays a count of the most recently updated documents by project and document type, and also displays the documents. A SharePoint List is used to store the counts of the most recently updated documents. The Logic App and Azure Function work together to update the SharePoint List with the counts from the SharePoint Library.

As part of the solution, we wanted a way to be notified if the Azure Function threw an error. This is where SendGrid comes in. SendGrid is a third-party email delivery service. Azure Functions support an output binding for SendGrid, which makes it very easy to integrate into your solution.Here is a grand overview of how my solution (just the Azure Function and SendGrid piece) will work – If my Azure Function throws an error, it will send the error message to Azure Queue Storage. The error message will be stored in Azure Queue Storage until another Azure Function (2) comes and picks it up. Azure Function (2) will use SendGrid to send an email containing the error message. Easy-peasy. You can use SendGrid to send emails for all kinds of reasons – when a customer places an order, you can send a confirmation email with the details of the order; when someone clicks a button on your site to request information, you can send an email with the requested information; the options are endless.

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