File size: 1,382 Bytes
2793310
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
---
description: Platform callback functions for console logging during YOLO11 training lifecycle events.
keywords: platform callbacks, training callbacks, console logging, YOLO11 training, lifecycle events, Ultralytics
---

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

!!! success "Improvements"

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

<br>

## ::: ultralytics.utils.callbacks.platform.on_pretrain_routine_start

<br><br><hr><br>

## ::: ultralytics.utils.callbacks.platform.on_pretrain_routine_end

<br><br><hr><br>

## ::: ultralytics.utils.callbacks.platform.on_fit_epoch_end

<br><br><hr><br>

## ::: ultralytics.utils.callbacks.platform.on_model_save

<br><br><hr><br>

## ::: ultralytics.utils.callbacks.platform.on_train_end

<br><br><hr><br>

## ::: ultralytics.utils.callbacks.platform.on_train_start

<br><br><hr><br>

## ::: ultralytics.utils.callbacks.platform.on_val_start

<br><br><hr><br>

## ::: ultralytics.utils.callbacks.platform.on_predict_start

<br><br><hr><br>

## ::: ultralytics.utils.callbacks.platform.on_export_start

<br><br>