ArcGIS Pro 3.1 API Reference Guide
ArcGIS.Core.CIM Namespace / CIMRangeVariable Class / Optional Property
Version

Optional Property
Gets or sets a value indicating whether this variable is optional. If not, default values must be provided.
Syntax
public bool Optional {get; set;}
Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3.0 or higher.
See Also