ArcGIS Pro 2.8 API Reference Guide
CIMGroupLayer Class
Members 

ArcGIS.Core.CIM Namespace : CIMGroupLayer Class
Represents a group layer which is a simple ordered collection of other layers.
Object Model
CIMGroupLayer ClassCIMGroupLayer ClassCIMGroupLayer ClassCIM3DLayerProperties ClassCIMLayerElevationSurface ClassCIMLayerTemplate ClassCIMPopupInfo ClassTimeInstant ClassCIMSymbolLayerDrawing Class
Syntax
Inheritance Hierarchy

System.Object
   ArcGIS.Core.CIM.CIMObject
      ArcGIS.Core.CIM.CIMDefinition
         ArcGIS.Core.CIM.CIMBaseLayer
            ArcGIS.Core.CIM.CIMGroupLayer

Requirements

Target Platforms: Windows 10, Windows 8.1

See Also

Reference

CIMGroupLayer Members
ArcGIS.Core.CIM Namespace