| Line | Line | Line or Curve to assemble the RFLine from. | Curve |
| Start Cross-Section | SCroSec | Number of Start Cross-Section | Integer |
| Member Number | No | Optional index number to assign to the RFEM object. | Integer |
| Comment | Comment | Comment. | Text |
| LineNo | LineNo | Line Number | Integer |
| Member Type | Type | MemberType: UnknownMemberType, Beam, Rigid, RibType, Truss, TrussOnlyN, Tension, Compression, Buckling, Cable, CableOnPulleys, ResultBeamType, DefinableStiffness, CouplingRigidRigid, CouplingRigidHinge, CouplingHingeHinge, CouplingHingeRigid, Spring, NullMember. | Integer |
| Rotation Angle [°] | β | Rotation Angle [°] | Number |
| End Cross-Section | ECroSec | Number of End Cross-Section | Integer |
| Start Hinge | SHinge | Number of Start Hinge | Integer |
| End Hinge | EHinge | Number of End Hinge | Integer |
| Eccentricity | Ecc | Number of Eccentricity | Integer |
| Division | Div | Number of Division | Integer |
| Taper Shape | Taper | TaperShapeType: UnknownTaperShape, NoneTaper, Linear, Quadratic. | Integer |
| FactorY | Kcr,y | Effective length factor Kcr,y | Number |
| FactorZ | Kcr,z | Effective length factor Kcr,z | Number |
| Except Members | EMembers | List of members (as string) NOT to be included. | Text |
| Except Solids | ESolids | List of solids (as string) NOT to be included. | Text |
| Except Surfaces | ESfcs | List of surfaces (as string) NOT to be included. | Text |
| Include Members | IMembers | List of members (as string) to be included. | Text |
| Include Solids | ISolids | List of solids (as string) to be included. | Text |
| Include Surfaces | ISfcs | List of surfaces (as string) to be included. | Text |
| IntegrateStressesAndForcesType | Integrate | IntegrateStressesAndForcesType: UnknownIntegration, WithinCuboidQuadratic, WithinCuboidGeneral, WithinCylinder, FromIncludeObjects. | Integer |
| Parameters | Params | Parameters to integrate stresses and forces. | Number |
| RF Member | RF Member | Member object from the RFEM model to modify | RFEM |
| Modify | Modify | Modify object? | Boolean |
| Delete | Delete | Delete object? | Boolean |