[Users] An error with exec_msg

[Zenone]

Hi!
I have an error when I try to run this in my openser.cfg:

exec_msg("TAG=$(echo $SIP_HF_FROM|cut -f2 -d=);FROM=$(echo $SIP_HF_FROM|cut
-f2 -d\<|cut -f1 -d\>|cut -f1-2
-d:);/usr/local/openser-1.1.0-tls/uri-folder/record $FROM $SIP_USER $TAG");

The obtained error is:

Aug 28 15:11:21 localhost /usr/local/sbin/openser[32748]:
ERROR:xl_parse_spec: bad pvar name "echo $SIP_HF_FROM|cut -f2
-d=);FROM=$(echo $SIP_HF_FROM|cut -f2 -d\<|cut -f1 -d\>|cut -f1-2
-d:);/usr/local/openser-1.1.0-tls/uri-folder/record $FROM $SIP_USER $TAG"

Thanks in advance for your help!
Michel

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