I am trying to find out if the variable is not set. The problem is this condition fires if the variable is set or not set. If the variable is not set, I want it to sleep. Sent from my HTC ----- Reply message ----- From: "Ken Rice" <krice@freeswitch.org> To: "FreeSWITCH Users Help" <freeswitch-users@lists.freeswitch.org> Subject: [Freeswitch-users] condition Date: Sat, Jun 28, 2014 1:24 PM thats tesing for an empty string... test to see if what you expect to be there and if not use anti-action to sleep Ken Sent from my iPad On Jun 28, 2014, at 11:15, "Andrew" <aademattia@comcast.net> wrote: Hi,I want to see if the variable is set. If its not I want to sleep for 500 mill sec.This does not seem to work. <condition field="${my_dialstring}" expression="^$"><action application="sleep" data="500"/> </condition> _________________________________________________________________________ Professional FreeSWITCH Consulting Services: consulting@freeswitch.org http://www.freeswitchsolutions.com FreeSWITCH-powered IP PBX: The CudaTel Communication Server http://www.cudatel.com Official FreeSWITCH Sites http://www.freeswitch.org http://wiki.freeswitch.org http://www.cluecon.com 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