OutputType:
| "System.String"
| "System.Double"
| "System.Int32"
| "System.Boolean"
| "Rhino.Geometry.Point3d"
| "Rhino.Geometry.Line"
| "Rhino.Geometry.Circle"
| "Rhino.Geometry.Arc"
| "Rhino.Geometry.NurbsCurve"
| "Rhino.Geometry.Brep"
| "Rhino.Geometry.Mesh"
| "Rhino.Geometry.Vector3d"
| "Rhino.Geometry.Plane"
| "Rhino.Geometry.Box"
| string
Output types supported from Grasshopper/Rhino Compute