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During each navigation, the Router emits navigation events through the Router.events property. These events range from when the navigation starts and ends to many points in between. The full list of navigation events is displayed in the table below.
| Router Event | Description |
| NavigationStart | An event triggered when navigation starts. |
| RouteConfigLoadStart | An event triggered before the Router lazy loads a route configuration. |
| RouteConfigLoadEnd | An event triggered after a route has been lazy loaded. |
| RoutesRecognized | An event triggered when the Router parses the URL and the routes are recognized. |
| GuardsCheckStart | An event triggered when the Router begins the Guards phase of routing. |
| ChildActivationStart | An event triggered when the Router begins activating a route’s children. |
| ActivationStart | An event triggered when the Router begins activating a route. |
| GuardsCheckEnd | An event triggered when the Router finishes the Guards phase of routing successfully. |
| ResolveStart | An event triggered when the Router begins the Resolve phase of routing. |
| ResolveEnd | An event triggered when the Router finishes the Resolve phase of routing successfuly. |
| ChildActivationEnd | An event triggered when the Router finishes activating a route’s children. |
| ActivationEnd | An event triggered when the Router finishes activating a route. |
| NavigationEnd | An event triggered when navigation ends successfully. |
| NavigationCancel | An event triggered when navigation is canceled. This is due to a Route Guard returning false during navigation. |
| NavigationError | An event triggered when navigation fails due to an unexpected error. |
| Scroll | An event that represents a scrolling event. |
These events are logged to the console when the enableTracing option is enabled also. Since the events are provided as an Observable, you can filter() for events of interest and subscribe() to them to make decisions based on the sequence of events in the navigation process.
