| Surface | Srfc | Surface to assemble the RFSurface from. | Surface |
| Surface Number | No | Optional index number to assign to the RFEM object. | Integer |
| Material Number | Mat | Material index number. | Integer |
| Thickness [m] | H | Surface thickness. | Number |
| Comment | Comment | Comment. | Text |
| Boundary Line List | Bound | Boundary Line List | Text |
| Surface Type | Type | SurfaceGeometryType: UnknownGeometryType, PlaneSurfaceType, QuadrangleSurfaceType, BSplineSurfaceType, RotatedSurfaceType, PipeSurfaceType, TrajectorySurfaceType, NurbsSurfaceType, MinimumCurvatureSurfaceType, PartialSurfaceType, ComponentSurfaceType. | Integer |
| Thickness Type | Thick | SurfaceThicknessType: UnknownThicknessType, ConstantThicknessType, VariableThicknessType. | Integer |
| Stiffness Type | Stiff | SurfaceStiffnessType: UnknownStiffnessType, StandardStiffnessType, WithoutTensionStiffnessType, OrthotropicStiffnessType, GlassStiffnessType, LaminateStiffnessType, RigidStiffnessType, MembraneStiffnessType, MembraneOrthotropicStiffnessType, NullStiffnessType. | Integer |
| Eccentricty [m] | Ecc | Surface eccentricity [m] | Number |
| Direction | Dir | SurfaceAxesDirection: UnknownSurfaceAxesDirection, StandardSurfaceAxesDirection, IdenticalToAxesForInput, SurfaceAngularRotation, SurfaceAxisXParallelToLine, SurfaceAxisYParallelToLine, SurfaceAxisXDirectToPoint, SurfaceAxisYDirectToPoint, SurfaceAxesParallelToGlobalCS, SurfaceAxesParallelToUserCS. | Integer |
| Line Index | Line | Line Index | Integer |
| Rotation [rad] | Rot | Angular rotation [rad] | Number |
| RF Surface | RF Surface | Surface object from the RFEM model to modify | RFEM |
| Modify | Modify | Modify object? | Boolean |
| Delete | Delete | Delete object? | Boolean |