---
title: BNNS.LearningPhase.training
framework: accelerate
role: symbol
role_heading: Case
path: accelerate/bnns/learningphase/training
---

# BNNS.LearningPhase.training

The layer apply context is training.

## Declaration

```swift
case training
```

## See Also

### Learning Phases

- [BNNS.LearningPhase.inference](accelerate/bnns/learningphase/inference.md)