| 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 🙏! | |
| <br><br> | |
| ## ::: ultralytics.engine.validator.BaseValidator | |
| <br><br> | |