How to use a red progress bar from the day the task is overdue to today in Gantt

Gantt
#1

Hello, I would like to ask how to use a red progress bar from the day the task is overdue to today in Gantt.

#2

Hello,
Gantt doesn’t have that feature. You need to implement a custom solution by using the gantt API and Javascript.

With the addTaskLayer method, you can display custom HTML elements in the timeline:
https://docs.dhtmlx.com/gantt/api__gantt_addtasklayer.html

There is an example of the implementation where part of the task becomes red when it exceeds the deadline date: