TetGenSetFacetHoles[expr, holes] sets the holes in the facets.
TetGenSetFacetMarkers[expr, vertices] sets the facet markers for a TetGen expression.
TetGenSetFacets[expr, vertices] sets the facets for a TetGen expression.
TetGenSetHoles[expr, points] sets the holes in a TetGen expression.
TetGenSetMessages[True | False] enables or disables the issuing of messages from TetGen.
TetGenSetPointMarkers[expr, markers] sets the point markers in a TetGen expression.
TetGenSetPoints[expr, points] sets the points in a TetGen expression.
TetGenSetRegions[expr, pts, index, attrs] sets the regions in a TetGen expression.
TetGenTetrahedralize[expr, settings] tetrahedralizes a TetGen expression using settings, and returns the result in a new TetGen expression.
$TetGenInstallationDirectory gives the top-level directory in which your TetGen installation resides.