def demo_GeometricConstraints_addParallel(sketch: adsk.fusion.Sketch):
# Create two sketch lines.
lineOne = sketch.sketchCurves.sketchLines.addByTwoPoints(adsk.core.Point3D.create(0, 0, 0),
adsk.core.Point3D.create(0, 10, 0))
lineTwo = sketch.sketchCurves.sketchLines.addByTwoPoints(adsk.core.Point3D.create(2, 5, 0),
adsk.core.Point3D.create(13, 10, 0))
# Create a parallel constraint between the two lines.
constraints = sketch.geometricConstraints
parallelConstraint = constraints.addParallel(lineOne, lineTwo)