Links
You can have different types of links
You can use the render-link event to change the link:
family.on('render-link', function(sender, args){ var cnodeData = family.get(args.cnode.id); var nodeData = family.get(args.node.id); if (cnodeData.divorced != undefined && nodeData.divorced != undefined && cnodeData.divorced.includes(args.node.id) && nodeData.divorced.includes(args.cnode.id)) { console.log(args.html); args.html = args.html.replace("path", "path stroke-dasharray='3, 2'"); } });