Hello
This is sample barcode codification , but I don't know in your system it's found
<String Name="code" Value="upcase(extr(0,6,<jobname 0>)+pad(<sectionnumber 0,0>,2,"0")+<booknumber 0,0>+repl("0", "00",repl("ASI", "02",repl("JAP", "01",repl("BIS", "09",pad(<sectionid>,3,"0"))))))"/>