ArcGIS Pro 2.7 API Reference Guide
FeatureLayer Class
Members 

ArcGIS.Desktop.Mapping Namespace : FeatureLayer Class
Represents layer with a collection of features and their visual representation and editing (when permitted).
Object Model
FeatureLayer ClassCIMRenderer ClassCIMDefinitionFilter ClassCIMDataConnection ClassCIMBaseLayer ClassFeatureClass ClassCIMRenderer ClassSelection ClassSpatialReference ClassTable ClassCIMSymbol ClassMap ClassILayerContainer InterfaceGeometry ClassEnvelope ClassRowCursor ClassSelection Class
Syntax
Remarks
To create a FeatureLayer, you must call CreateFeatureLayer or CreateLayer method of the LayerFactory class, instead of directly using a constructor.
Inheritance Hierarchy

System.Object
   ArcGIS.Desktop.Framework.Contracts.PropertyChangedBase
      ArcGIS.Desktop.Mapping.MapMember
         ArcGIS.Desktop.Mapping.Layer
            ArcGIS.Desktop.Mapping.BasicFeatureLayer
               ArcGIS.Desktop.Mapping.FeatureLayer
                  ArcGIS.Desktop.Mapping.FeatureMosaicSubLayer
                  ArcGIS.Desktop.Mapping.NitfFeatureSubLayer
                  ArcGIS.Desktop.Mapping.StreamLayer

Requirements

Target Platforms: Windows 10, Windows 8.1

See Also

Reference

FeatureLayer Members
ArcGIS.Desktop.Mapping Namespace