---
title: MLDataValue.DictionaryType.Key
framework: createml
role: symbol
role_heading: Type Alias
path: createml/mldatavalue/dictionarytype/key
---

# MLDataValue.DictionaryType.Key

## Declaration

```swift
typealias Key = MLDataValue
```

## See Also

### Creating a dictionary type

- [init(_:)](createml/mldatavalue/dictionarytype/init(_:).md)
- [init(uniqueKeysWithValues:)](createml/mldatavalue/dictionarytype/init(uniquekeyswithvalues:).md)
- [MLDataValue.DictionaryType.Value](createml/mldatavalue/dictionarytype/value.md)