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 # resume

 Last update: 30.07.2026 

public [resume](resume.md)(dh: [DataHistory](./../-data-history/index.md))

Pick up from the last checkpoint in a data history. If you subsequently pass a data collector, data explorer, or data history to submit(), you should be sure to pass one with the same data history or all restored runs will be lost.

#### Parameters

dhthe Data History to restore from; if null uses the current data history; if non-null this becomes the current data history; you may pass a data explorer or data collector instead