# About Interfaces

Introducing the interfaces that can be used for NodeComponent.

- IInitializeReceiver
  You can implement a method that will be called when the graph is initialized.
- IReleaseReceiver
  You can implement a method that will be called when the graph is released.
- IPlayReceiver
  You can implement a method that will be called when the graph is played.
- IStopReceiver
  You can implement a method that will be called when the graph is stopped.
- IPauseReceiver
  You can implement a method to call when the graph is paused.
- IProgressComponent
  A progress bar can be displayed in the header of NodeComponent.