How to enable/display the Gantt Toolbar

This tool is awesome. kudos to the team.

is there any code i need to add to show the editor with functions like (Expand/collapse, ZoomIn/ZoomOut…etc).

below code shows only the
gantt.load(“tasks.json”);

Hi,

Do you mean this method and functionality from this sample?

If it is, there is no any special editors to add such functionality. Ony way from the sample.