How to set the feedback device for a talon in C++?

I was looking at the documentation for 2019 and could not find anything related to a function for setting feedback device. I did see FeedbackDevice enums but cannot find where to use them.

See Section/chapter 7 of the SRX software manual.
https://phoenix-documentation.readthedocs.io/en/latest/index.html

http://www.ctr-electronics.com/downloads/api/cpp/html/classctre_1_1phoenix_1_1motorcontrol_1_1can_1_1_base_motor_controller.html#a36fd80e529de4282dafdddd8d04cccf3