---
description: Improve your YOLOv5 model training with callbacks from ClearML. Learn about log debug samples, pre-training routines, validation and more.
---

# _log_debug_samples
---
:::ultralytics.yolo.utils.callbacks.clearml._log_debug_samples
<br><br>

# _log_plot
---
:::ultralytics.yolo.utils.callbacks.clearml._log_plot
<br><br>

# on_pretrain_routine_start
---
:::ultralytics.yolo.utils.callbacks.clearml.on_pretrain_routine_start
<br><br>

# on_train_epoch_end
---
:::ultralytics.yolo.utils.callbacks.clearml.on_train_epoch_end
<br><br>

# on_fit_epoch_end
---
:::ultralytics.yolo.utils.callbacks.clearml.on_fit_epoch_end
<br><br>

# on_val_end
---
:::ultralytics.yolo.utils.callbacks.clearml.on_val_end
<br><br>

# on_train_end
---
:::ultralytics.yolo.utils.callbacks.clearml.on_train_end
<br><br>