Xigbee interfacing with arduino mega 2560

hi...i need help on the interfacing of xigbee s1 with arduino mega 2560....i done xigbee interfacing with my laptop for configuration setting.... Now my task is to send data from three different sensor from ist xigbee (Sender) to 2nd xigbee(Reciver)......

Thanks in advance

Regards : Arslan Ali