ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Core.CIM Namespace / CIMBinaryReference Class / Data Property

Data Property (CIMBinaryReference)
Gets or sets the base64 encoded data of the binary reference.
Syntax
public string Data {get; set;}
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.0 or higher.
See Also