Is anyway to create legend in gantt


Hi everybody, i have issue when work with gantt chart, i want know is there way to create legend for note highlight cell, as picture
i only need the highlight cell to show information, similar to the tooltip of the task


Hello Vũ,
Unfortunately, there is no way to highlight only part of the cell.
You can highlight only 00, 15, 30, and 45 cells.
To do that, you need to specify the function in the CSS property of the scale configuration:
Here is an example: