Queue database handling

Hello,

I developed one IVR in asterisk 1.6.0.26-FONCORE-r78 version.
Here i am using queue management for inbound ACD.

Now my problem is i am unable to store the values in mysql database like ${UNIQUEID},${CALLERID(num)},${CONTEXT},${EXTEN}…

I configure the realtime asterisk …

How to get these values from queue ?