ref added

Author: brown9804

README.md

@@ -139,7 +139,7 @@ Last updated: 2025-04-15
 - **Microsoft [Fabric Capacity Metrics](https://github.com/MicrosoftCloudEssentials-LearningHub/Fabric-EnterpriseFramework/blob/main/Monitoring-Observability/README.md#microsoft-fabric-capacity-metrics-app) app**: Used for monitoring and managing capacity metrics.
 - **Admin Monitoring**: Configure and use the [Admin Monitoring Workspace](https://github.com/MicrosoftCloudEssentials-LearningHub/Fabric-EnterpriseFramework/blob/main/Monitoring-Observability/README.md#admin-monitoring) for custom reporting on system performance and usage.
 - **Monitor Hub**: Access and utilize the [Monitor Hub](https://github.com/MicrosoftCloudEssentials-LearningHub/Fabric-EnterpriseFramework/blob/main/Monitoring-Observability/README.md#monitor-hub) for centralized log and metric monitoring, and extend activity history of the data platform.
-- **Event Hub Integration**: Use Event Hub to capture and analyze events for real-time monitoring. For example, leverage it for [automating pipeline execution with Activator]()
+- **Event Hub Integration**: Use Event Hub to capture and analyze events for real-time monitoring. For example, leverage it for [automating pipeline execution with Activator](./Monitoring-Observability/FabricActivatorRulePipeline/)
 - **Alerting**: Configure alerts for critical events and thresholds to ensure timely responses to issues. For example, [Steps to Configure Capacity Alerts]()
 
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