metadata
description: >-
Learn about the Ultralytics BaseValidator module. Understand its principles,
uses, and how it interacts with other components.
keywords: Ultralytics, BaseValidator, Ultralytics engine, module, components
Reference for ultralytics/engine/validator.py
!!! Note
This file is available at [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/engine/validator.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/engine/validator.py). If you spot a problem please help fix it by [contributing](https://docs.ultralytics.com/help/contributing/) a [Pull Request](https://github.com/ultralytics/ultralytics/edit/main/ultralytics/engine/validator.py) 🛠️. Thank you 🙏!