API Reference > geometry-core > Polyface > IndexedEdgeMatcher > addEdge addEdge Method push a new edge. addEdge(vertexA: number, vertexB: number, facetIndex: number): SortableEdge Parameter Type Description vertexA number start vertex vertexB number end vertex facetIndex number facet index Returns - SortableEdge the edge (as emplaced at the back of the sortableEdge array) Defined in core/geometry/src/polyface/IndexedEdgeMatcher.ts Line 114 Last Updated: 15 June, 2021