Discover by Sentry is a query builder that helps businesses shape their event data, providing deeper visibility and fuller observability across all projects and applications. It allows users to turn queries into alerts, creating alert conditions based on aggregated event attributes, such as user geography for international launches. Discover serves as a single source of truth, simplifying query definition, update, and sharing across teams, while also enabling quick isolation of problems with interactive query maps. By leveraging event metadata, Discover enables businesses to measure performance and trace issues more effectively, providing a scalable solution for monitoring services.