HOW TO RETRIVE CALLER ID IN 3CX V20 Client

[ASIS]

Hello All
Does anyone know how to retrive caller ID in 3CX V20 .0.664.0 ?
i try to recognize who call and run an application with caller id parameter
what is the caller id field name ?
for example
when a caller ID apear is manager panel

the system recognize the CID Number and execute with %CallerNumber% my program


what it the name of caller id field ?

 

[NicholasP_3CX]

This would usually come from the From: field.