You develop a web application that sells access to last-minute openings for child camps that run on the weekends. The application uses Azure Application Insights for all alerting and monitoring. The…

You develop a web application that sells access to last-minute openings for child camps that run on the weekends. The application uses Azure Application Insights for all alerting and monitoring. The application must alert operators when a technical issue is preventing sales to camps. You need to build an alert to detect technical issues. Which alert type should you use?