SupaHooks: An Outbound Webhooks Next.js Template` is a Next.js template demonstrating the fundamentals of using `Hookdeck` as infrastructure for outbound webhooks. The template provides utility functions to map `Hookdeck` concepts to webhook subscriptions and publishing events to subscribers, enabling developers to send notifications to external systems when events occur within a platform. It offers various features such as signing user secrets, creating webhook subscriptions, testing data publication, handling database webhooks, and listing published event details. The template can be used as a starting point for new Next.js applications or copied/referenced in existing applications to add outbound webhook support.