**Set alerts by project in Sentry - Start with a project view. See critical metrics, recent triggered alerts, latest releases.**

**Click "Create and Alert" to create an alert for this project**

**Sentry Change alerts, or alerts that use a percent change threshold, can be set for the alert types highlighted below - Number of Errors, users affected, Sessions, or performance based alerts.**

**Here is is an number of errors example. Confirm the project, environment (Prod, dev, etc), and add any filters to pinpoint the exact device, OS, server name etc for Sentry to monitor. Select the percent change option.**

Select the time frame for Sentry to compare and monitor against.