Configuring XBEE on the DFRobot Relay Shield v2.1

I am looking for information on how to configure XBEE on the DFRobot Relay Shield v2.1.
Your documention is only focusing on how to operate the relay.
I bought a few of these and I am not able to use it at all
PLEASE
Your documention is only focusing on how to operate the relay.
I bought a few of these and I am not able to use it at all
PLEASE