ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Desktop.Editing Namespace / AnnotationProperties Class / Layer Property

Layer Property (AnnotationProperties)
Gets the ArcGIS.Desktop.Mapping.Layer of the annotation feature.
Syntax
public Layer Layer {get;}
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.2 or higher.
See Also