> ## Documentation Index > Fetch the complete documentation index at: https://docs.getcollate.io/llms.txt > Use this file to discover all available pages before exploring further. # Governance Workflows - Event Based Entity Trigger > Trigger workflows using real-time entity changes to automate tasks like alerts, tagging, or governance updates upon system events. # Event Based Trigger This trigger starts the workflow based on specific entity operations such as **Create**, **Update**, or **Patch**. * **Data Asset** – Choose one or multiple data assets to monitor. * **Event Type** – Specify which operations will trigger the workflow. * **Exclude Fields** – Define fields that should not trigger the workflow (e.g., selecting “Reviewers” prevents triggers when only the reviewers field changes). * **Filter Criteria** – Add conditions to exclude entities that match specific filters from triggering the workflow. event-based-entity-trigger-example