---
title: annotationColumnID
framework: createmlcomponents
role: symbol
role_heading: Instance Property
path: createmlcomponents/boostedtreeclassifier/annotationcolumnid
---

# annotationColumnID

The annotation column identifier.

## Declaration

```swift
var annotationColumnID: ColumnID<Label>
```

## See Also

### Getting the properties

- [featureColumnNames](createmlcomponents/boostedtreeclassifier/featurecolumnnames.md)
- [configuration](createmlcomponents/boostedtreeclassifier/configuration.md)
- [labels](createmlcomponents/boostedtreeclassifier/labels.md)