External script for Alive packets in sql schema

[Sergey V. Sichevsky]

Hello!

How can I run external script for Alive packet from NAS.
I use rlm_sql module (PostgreSQL)

Here is a part of config:

authorize {           
        preprocess    
        suffix        
        sql           
}                     
                      
authenticate {        
        authtype SQL {
                sql   
        }             
}                     

accounting {       
        sql        
        radutmp    
}                  

What can I add to here to define external script?

WBR.

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