ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Core.CIM Namespace / CIMMaplexRotationProperties Class / RotationExpressionInfo Property

RotationExpressionInfo Property
Gets or sets ExpressionInfo that contains the Arcade expression that returns rotation as a number. When both RotationField and RotationExpressionInfo are present RotationExpressionInfo is used.
Syntax
public CIMExpressionInfo RotationExpressionInfo {get; set;}
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.3 or higher.
See Also