xbee s2 control Potentiometer without microcontroller?

hi,
how to use xbee s2 control Potentiometer without microcontroller?

The ADC function of the XBee ZB modules you are referring to requires the use of our API interface.

dear mvut,
thank you for you answer.
Can i send API from my connectport X2e ZB to control xbee endpoint node which connected with Potentiometer .