ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Core.CIM Namespace / CIMMap Class / HVDatumTransforms Property
Example

HVDatumTransforms Property
Gets or sets the set of geographic transformations used by the map for spatial references with vertical coordinate system.
Syntax
public CompositeHVDatumTransformation[] HVDatumTransforms {get; set;}
Example
Datum
var cimMapDefinition = MapView.Active.Map.GetDefinition();
// use if map's sr does not have a vertical coordinate system
var datumTransformations = cimMapDefinition.DatumTransforms;
// use if map's sr has a vertical coordinate system
var hvDatumTransformations = cimMapDefinition.HVDatumTransforms;
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.0 or higher.
See Also