# Package org.apache.ivy.core.event

- Interface Summary
  Interface | Description
  --- | ---
  IvyListener |

- Class Summary
  Class | Description
  --- | ---
  EventManager |
  FilteredIvyListener |
  IvyEvent | The root of all ivy events Any ivy event knows which ivy instance triggered the event (the source) and also has a name and a map of attributes.
  IvyEventFilter | A filter implementation filtering `IvyEvent` based upon an event name and a filter expression.