YOLOv8-16bit/docs/reference/utils/callbacks/wb.md

description	keywords
Deep dive into Ultralytics callbacks. Learn how to use the _log_plots, on_fit_epoch_end, and on_train_end functions effectively.	Ultralytics, callbacks, _log_plots, on_fit_epoch_end, on_train_end

Reference for ultralytics/utils/callbacks/wb.py

!!! note

Full source code for this file is available at [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/utils/callbacks/wb.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/utils/callbacks/wb.py). Help us fix any issues you see by submitting a [Pull Request](/help/contributing/) 🛠️. Thank you 🙏!

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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