__undef__ doesnt' work either. Thanks ----- Original Message ----- From: João Mesquita To: FreeSWITCH Users Help Sent: Friday, January 14, 2011 3:36 PM Subject: Re: [Freeswitch-users] empty var expression I thought it was __undef__, ain't it? I haven't digged into the source code, but should be easy enough to give it a try... Regards, João Mesquita On Fri, Jan 14, 2011 at 5:22 PM, Madovsky <infos@madovsky.org> wrote: I tried this for an var marked as "UNDEF" in log <condition field="${var}" expression="^UNDEF$" break="never"> <condition field="${var}" expression="UNDEF" break="never"> <condition field="${var}" expression="undef" break="never"> <condition field="${var}" expression="^undef$" break="never"> <condition field="${var}" expression="" break="never"> <condition field="${var}" expression="^$" break="never"> <condition field="${var}" expression="[UNDEF]" break="never"> <condition field="${var}" expression="[]" break="never"> without success. which is the right expression for empty var please ? Thanks _______________________________________________ FreeSWITCH-users mailing list FreeSWITCH-users@lists.freeswitch.org http://lists.freeswitch.org/mailman/listinfo/freeswitch-users UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users http://www.freeswitch.org ------------------------------------------------------------------------------ _______________________________________________ FreeSWITCH-users mailing list FreeSWITCH-users@lists.freeswitch.org http://lists.freeswitch.org/mailman/listinfo/freeswitch-users UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users http://www.freeswitch.org