Links
You can have different types of links
Rounded linkYou can use OrgChart.LINK_ROUNDED_CORNERS constant to change the radius of the roundet links.
Curve link
Link Labels
Link binding in Org Chart JS maps node data to link labels:
var chart = new OrgChart(document.getElementById("tree"), { linkBinding: { link_field_0: "createdAt" }, nodes: [ { id: "1" }, { id: "2", pid: "1", createdAt: "Since 08/08/2018" }, { id: "3", pid: "1", createdAt: "Since 05/04/2018" } ] });
Using the label event you can change the link labels: