Aux/USB in armrest

[slacker2u]

Doe anyone know if is possiable to add the Aux/USB port into the armrest? I see there is a slight area that looks like it can be popped off but just wondering if there is a factory part that fits in there and or if there is extra wiring needed.

P.S. This is for a 2020 subaru crosstrek premium w/ eye sight and no sound package.