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

# annotationColumnID

The annotation column identifier.

## Declaration

```swift
var annotationColumnID: ColumnID<Estimator.Annotation> { get set }
```

## See Also

### Getting the properties

- [estimator](createmlcomponents/preprocessingupdatablesupervisedtabularestimator/estimator.md)
- [preprocessor](createmlcomponents/preprocessingupdatablesupervisedtabularestimator/preprocessor.md)