How to Change Duration of Treatments?

Application allows you to change the appointment duration of the same day in the therapy at once.
e.g. if user changes appointment duration of C1D1 to 120 Mins:
Duration dropdown
Once you select a new duration time, a pop up shows up confirming if you want to make the change.

Pop up
When you click on Yes, the duration for the respective group will be changed.
This change is also visible at the time of Regimen Creation:
Regimen Creation