[DWM3001CDK] What should I do to start ranging between the two boards?

I have a few DWM3001CDK boards and we download the official package (Qorvo_Apple_Nearby_Interaction_1.0.0), but unfortunately, we don’t find any example for TWR schedule.
So what should we do to modify the code (DWM3001CDK source code) to do this work. We just try it., but it does not work.
We would be so appreciate if someone give some help.