To use TriangleLink, it must first be loaded:

Start by specifying the coordinates and displaying them:

Then create the input instance and set the points:

Next, the list of segments is created:

Set the segments in the input instance of Triangle:

Set the region holes in the Triangle input instance with the TriangleSetHoles command:

With TriangleGetHoles, you can retrieve the value set in the Triangle instance:

Here is a picture of the bounding facet and the facet hole position: