ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Core.CIM Namespace / CIMSymbolLayer Class / Effects Property

Effects Property (CIMSymbolLayer)
Gets or sets whether the geometric effects that are applied to the symbol layer. Effects dynamically alter the feature geometry when the symbology is applied. Multiple effects applied to a symbol layer are rendered sequentially.
Syntax
public CIMGeometricEffect[] Effects {get; set;}
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.0 or higher.
See Also