---
title: validationAccuracyKey
framework: createml
role: symbol
role_heading: Type Property
path: createml/mlprogress/validationaccuracykey
---

# validationAccuracyKey

The key that accesses the validation accuracy value.

## Declaration

```swift
static let validationAccuracyKey: ProgressUserInfoKey
```

## See Also

### Accessing assessment metrics

- [accuracyKey](createml/mlprogress/accuracykey.md)
- [lossKey](createml/mlprogress/losskey.md)
- [validationLossKey](createml/mlprogress/validationlosskey.md)