ShapeType Property (BasicFeatureLayer)
Get a layer of a certain geometry type
//Get an existing Layer. This layer has a symbol you want to use in a new layer.
var lyr = MapView.Active.Map.GetLayersAsFlattenedList().OfType<FeatureLayer>()
.Where(l => l.ShapeType == esriGeometryType.esriGeometryPoint).FirstOrDefault();
Target Platforms: Windows 11, Windows 10
ArcGIS Pro version: 3 or higher.