| CrvA | CurveA | CurveA | Curve |
| CrvB | CurveB | CurveB | Curve |
| flipA | flipA | flipA | Boolean |
| flipB | flipB | flipB | Boolean |
| ReversA | RevA | ReverseA | Boolean |
| ReversB | RevB | ReverseB | Boolean |
| revABothside | revABothside | revABothside | Boolean |
| revBBothside | revBBothside | revBBothside | Boolean |
| blendContinuityA | blendCoA | (Position = 0)-(Tangency= 1)-(Curvature=2) | Integer |
| blendContinuityB | blendCoB | (Position = 0)-(Tangency = 1)-(Curvature=2) | Integer |
| tA | tA | Numbers can be negative or positive | Number |
| tB | tB | Numbers can be negative or positive | Number |
| Bothside | Bothside | Bothside off Curve Blend? | Boolean |
| Joint | Joint | Joint All curve? | Boolean |
| extendmodeA | extModeA | (Double = 0)-(Point = 1)-(geometry=2) | Integer |
| extendmodeB | extModeB | (Double = 0)-(Point = 1)-(geometry=2) | Integer |