---
title: MLDataTable.PackType.dictionary
framework: createml
role: symbol
role_heading: Case
path: createml/mldatatable/packtype/dictionary
---

# MLDataTable.PackType.dictionary

A packing type that combines the values of several columns into a dictionary type.

## Declaration

```swift
case dictionary
```

## See Also

### Selecting a packing operation

- [MLDataTable.PackType.sequence](createml/mldatatable/packtype/sequence.md)