The Requirements module contains an accumulated time attribute of the Integer type. When users add to this attribute, you want to indicate whether the value is in scope according to estimated time.
=TrafficLight('Accumulated Time',"10","20","Red","Yellow","Green")
If you set the container attribute TrafficLight as a Prefix attribute for the module, the traffic light status is displayed with the element title. To set TrafficLight as a Prefix attribute, click
.