Chapter 15 Security Profiles : Application control : Enable application control : Enabling application traffic shaping
  
Enabling application traffic shaping
Enabling traffic shaping in an application sensor involves selecting the required shaper. You can create or edit shapers in Policy & Objects > Objects > Traffic Shapers.
To enable traffic shaping
1. Go to Security Profiles > Application Control.
2. Select application signature(s) or category(s) from the Application Control sensor.
a. If a category is selected, left click on the category. Select Traffic Shaping. Select the desired Traffic Shaper.
b.  
3. Select Apply.
Any security policy with this application sensor selected will shape application traffic according to the applications specified in the list entry and the shaper configuration.