---
title: MLDataTable.ColumnNames
framework: createml
role: symbol
role_heading: Structure
path: createml/mldatatable/columnnames-swift.struct
---

# MLDataTable.ColumnNames

A collection of the names of the columns in a data table.

## Declaration

```swift
struct ColumnNames
```

## Topics

### Accessing columns

- [subscript(_:)](createml/mldatatable/subscript(_:).md)

## Relationships

### Conforms To

- [BidirectionalCollection](swift/bidirectionalcollection.md)
- [Collection](swift/collection.md)
- [Copyable](swift/copyable.md)
- [CustomDebugStringConvertible](swift/customdebugstringconvertible.md)
- [CustomPlaygroundDisplayConvertible](swift/customplaygrounddisplayconvertible.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Equatable](swift/equatable.md)
- [Escapable](swift/escapable.md)
- [RandomAccessCollection](swift/randomaccesscollection.md)
- [Sequence](swift/sequence.md)

## See Also

### Getting information about a data table’s columns

- [columnNames](createml/mldatatable/columnnames-swift.property.md)
- [columnTypes](createml/mldatatable/columntypes.md)