Interface toolbar

Expand all nodes button

var chart = new OrgChart('#tree', {
     toolbar: {
         expandAll: true
     }
});

Fit to screen option

var chart = new OrgChart('#tree', {
     toolbar: {
         fit: true
     }
});

Switch to fullscreen button

var chart = new OrgChart('#tree', {
     toolbar: {
         fullScreen: true
     }
});

Shows the layout options

var chart = new OrgChart('#tree', {
     toolbar: {
         layout: true
     }
});

Zoom plus and minus buttons

var chart = new OrgChart('#tree', {
     toolbar: {
         zoom: true
     }
});