The type of plane returned depends on the input argument.
Examples
Parameters
sketchPlaneDefinition
Type: Object
TypeCorresponding Plane TypeICoordinateSystemA CoordinateSystem plane using the X-Y plane of a coordinate system.IGeoVertexA GeometryFace plane with the plane based on an existing geometry face.OrthogonalPlaneAn OrthogonalPlane with the plane based on the provided origin and directions.