ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Core.CIM Namespace / CIMGradientFill Class / Interval Property

Interval Property (CIMGradientFill)
Gets or sets how many bands draw when the GradientType is set to Discrete.
Syntax
public int Interval {get; set;}
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.0 or higher.
See Also