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

# annotationColumnID

The annotation column identifier.

## Declaration

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

## See Also

### Reading and writing

- [read(from:)](createmlcomponents/supervisedtabularestimator/read(from:).md)
- [write(_:to:overwrite:)](createmlcomponents/supervisedtabularestimator/write(_:to:overwrite:).md)
- [Annotation](createmlcomponents/supervisedtabularestimator/annotation.md)
- [Transformer](createmlcomponents/supervisedtabularestimator/transformer.md)