How to cap the number of dice rolled based on an attribute value

I have a sheet I'm working on where you roll 2d6 for the base roll, but if you have any Stress Points you roll 1 additional d6 (that is calculated separately) for every 3 Stress Points that you have. My code for calculating the stress die is as follows; <input type="hidden" name="attr_stress_die" title="@{stress_die}" value="[[ceil(@{stress_points}/3)]]d6"> It does work for adding the stress die, however I cannot figure out how to make a limit on the number of stress die rolled. currently, there is no maximum of the number of additional stress die, but I need it to cap out at 3.  If anyone has any advice on how to handle this it would be much appreciated!

Use the group syntax and keep highest: <input type="hidden" name="attr_stress_die" title="@{stress_die}" value="[[{ceil(@{stress_points}/3),3}kl1]]d6"> Also, you may want to check your roll for whether you want ceil or floor. From your description, I'm not sure if you want it to be: 1 - 3 stress gives you one stress die or 3 - 5 stress gives you one stress die, with no stress die at 1 and 2 stress.

That worked! And the way the system works is that you roll 1 Stress die when you have between 1 and 3 stress, 2 when you roll between 4 and 6 and 3 when you roll between 7 and 12. So ceiling is the one that works for this roller. thanks so much for the help!