# on_pretrain_routine_end
---
:::ultralytics.yolo.utils.callbacks.hub.on_pretrain_routine_end
<br><br>

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

# on_model_save
---
:::ultralytics.yolo.utils.callbacks.hub.on_model_save
<br><br>

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

# on_train_start
---
:::ultralytics.yolo.utils.callbacks.hub.on_train_start
<br><br>

# on_val_start
---
:::ultralytics.yolo.utils.callbacks.hub.on_val_start
<br><br>

# on_predict_start
---
:::ultralytics.yolo.utils.callbacks.hub.on_predict_start
<br><br>

# on_export_start
---
:::ultralytics.yolo.utils.callbacks.hub.on_export_start
<br><br>