how to draw timed behavior of activity diagram using plantuml

I want to draw the timed behavior of the activity diagram using the hourglass icon.

But plantuml doesn't seem to support an hourglass icon. Is there any solution to draw an hourglass image in a timed behavior diagram?

https://stackoverflow.com/questions/66880697/how-to-draw-timed-behavior-of-activity-diagram-using-plantuml March 31, 2021 at 10:06AM