Solid Edge How to Get the Centerpoints of Fittings for 3D Sketch Generation in XpresRoute

In this example, the user has a Solid Edge Assembly.  In XpresRoute, after having created two fittings in the assembly, the task is now to create a Tube along a 3D sketch as a connection between the two fittings. When then trying to get the Centerpoint of the fitting as the start point of the 3D curve, the point is not selectable.  Why ?

The solution is easy.

The Status Bar from the command 3D Curve already explains this:

Right click to create a new 3D Sketch.

Once you have clicked the right mouse button, you will immediately be able to select the desired Centerpoint of the fitting as the start point of the curve: