`CheckpointCallback`

The CheckpointCallback type describes a function that takes a Checkpoint's Id.

(
  checkpointId: Id,
  label?: string,
): void

	Type	Description
`checkpointId`	`Id`	The `Id` of the Checkpoint that the callback can operate on.
`label?`	`string`
returns	`void`	This has no return value.

A CheckpointCallback is provided when using the forEachCheckpoint method, so that you can do something based on every Checkpoint in the Checkpoints object. See that method for specific examples.