This article demonstrates how to use event triggers with an MS SQL Server database using Hasura. It begins by setting up a SQL Server database and connecting it to Hasura. After creating a user table, the author explains how to set up an event trigger that sends a welcome email to new users when they are added to the database. The process involves configuring a webhook and modifying request method and URL template. Finally, the article provides instructions for testing the event trigger by inserting a new user into the database and checking the email inbox and invocation logs.