---
title: columnName
framework: createml
role: symbol
role_heading: Instance Property
path: createml/mldatatable/aggregator/columnname
---

# columnName

The name of the column on which the aggregator performs operations on.

## Declaration

```swift
var columnName: String
```

## See Also

### Configuring an aggregator

- [operations](createml/mldatatable/aggregator/operations-swift.property.md)
- [MLDataTable.Aggregator.Operations](createml/mldatatable/aggregator/operations-swift.enum.md)