`onCheckpointIds`

The onCheckpointIds function registers a listener that is called whenever the Checkpoint Ids change.

onCheckpointIds(
  listener: CheckpointIdsListener,
  checkpointsOrCheckpointsId?: MaybeGetter<undefined | CheckpointsOrCheckpointsId>,
): void

	Type	Description
`listener`	`CheckpointIdsListener`	The function to call when Checkpoint `Ids` change.
`checkpointsOrCheckpointsId?`	`MaybeGetter<undefined \| CheckpointsOrCheckpointsId>`	The `Checkpoints` object to use, or its `Id`.
returns	`void`	This has no return value.

Since

v8.1.0