Description: A service notification in monitoring systems is an alert sent when a monitored service changes state. This change can be a transition from ‘OK’ to ‘WARNING’, ‘WARNING’ to ‘CRITICAL’, or any other variation indicating a problem with the service. Monitoring tools allow system administrators and IT teams to receive real-time notifications about the status of critical services, enabling them to act quickly to resolve issues before they affect end users. Notifications can be sent through various channels, such as emails, text messages, or integrations with messaging applications, ensuring that the team is always informed. The ability to customize notifications based on the severity of the problem and the type of monitored service is a key feature that allows organizations to prioritize their incident response. In summary, service notifications are essential for maintaining the availability and performance of systems, helping to prevent downtime and ensuring continuous and efficient service.