---
title: utils.callbacks.wb API Reference
description: Learn how Ultralytics YOLO integrates with WandB using custom callbacks for logging metrics and visualizations.
keywords: Ultralytics, YOLO, WandB, callbacks, logging, metrics, visualizations, AI, machine learning
---

# Reference for `ultralytics/utils/callbacks/wb.py`

!!! success "Improvements"

    This page is sourced from [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/utils/callbacks/wb.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/utils/callbacks/wb.py). Have an improvement or example to add? Open a [Pull Request](https://docs.ultralytics.com/help/contributing) — thank you! 🙏

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## ::: ultralytics.utils.callbacks.wb._custom_table

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## ::: ultralytics.utils.callbacks.wb._plot_curve

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## ::: ultralytics.utils.callbacks.wb._log_plots

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## ::: ultralytics.utils.callbacks.wb.on_pretrain_routine_start

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## ::: ultralytics.utils.callbacks.wb.on_fit_epoch_end

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## ::: ultralytics.utils.callbacks.wb.on_train_epoch_end

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## ::: ultralytics.utils.callbacks.wb.on_train_end

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