Am I misreading, or is this a defined environmental variable named "STAGE" but you're evaluating an environmental variable named "DEVSTAGE"? *Ben Kaufman* /Sr. VoIP Engineer/ P: E: bkaufman(a)nexvortex.com <mailto:bkaufman@nexvortex.com> 24 hour client support: 855.639.6300 <tel:+18556396300>   image <https://www.nexvortex.com/>  image <https://www.facebook.com/nexVortex/>  image <https://twitter.com/nexvortex/>  image <https://www.linkedin.com/company/nexvortex-inc/> /NOTE: This e-mail and any attachments are from nexVortex, Inc. and are intended solely for the use and review of the individual(s) to whom it is addressed. If you believe you received this e-mail in error, please notify the sender immediately, delete the e-mail (and any attachment/ ------------------------------------------------------------------------ *From:* sr-users &lt;sr-users-bounces(a)lists.kamailio.org&gt; on behalf of Adarsh Chauhan &lt;adarshchauhan(a)hotmail.com&gt; *Sent:* Wednesday, September 22, 2021, 1:04 AM *To:* sr-users(a)lists.kamailio.org *Subject:* [SR-Users] Unable to pull enviornment variables Hi Team, Need some help here. Want to pull environment variable however kamailio just doesnt pick it. I exported the environment variable *export STAGE="dev"* Then i tried following 1) *#!defenv DEVSTAGE* gives error  0(3809) ERROR: <core> [core/cfg.lex:2085]: pp_define_env(): env variable not defined [DEVSTAGE]  2)  *#!substdef "/DEVSTAGE/$env(DEVSTAGE)/";*  0(3962) DEBUG: <core> [core/ppcfg.c:87]: pp_subst_add(): ### added subst expression: [/DEVSTAGE/$env(DEVSTAGE)/]  0(3962) DEBUG: <core> [core/cfg.lex:1964]: pp_define(): defining id: DEVSTAGE  0(3962) DEBUG: <core> [core/parser/parse_fline.c:249]: parse_first_line(): first line type 1 (request) flags 1  0(3962) DEBUG: <core> [core/parser/msg_parser.c:677]: parse_msg(): SIP Request:  0(3962) DEBUG: <core> [core/parser/msg_parser.c:679]: parse_msg():  method:  <OPTIONS>  0(3962) DEBUG: <core> [core/parser/msg_parser.c:681]: parse_msg():  uri:     <sip:you@kamailio.org <mailto:sip%3Ayou@kamailio.org>>  0(3962) DEBUG: <core> [core/parser/msg_parser.c:683]: parse_msg():  version: <SIP/2.0>  0(3962) DEBUG: <core> [core/parser/parse_hname2.c:293]: parse_sip_header_name(): parsed header name [Via] type 1  0(3962) DEBUG: <core> [core/parser/parse_via.c:2639]: parse_via(): end of header reached, state=2  0(3962) DEBUG: <core> [core/parser/msg_parser.c:555]: parse_headers(): Via found, flags=2  0(3962) DEBUG: <core> [core/parser/msg_parser.c:557]: parse_headers(): this is the first via  0(3962) DEBUG: <core> [core/pvapi.c:497]: pv_spec_lookup(): PV <$env(DEVSTAGE)> is not in cache  0(3962) DEBUG: <core> [core/pvapi.c:335]: pv_cache_add(): PV cache not initialized, doing it now  0(3962) DEBUG: <core> [core/pvapi.c:371]: pv_cache_add(): pvar [$env(DEVSTAGE)] added in cache  0(3962) DEBUG: <core> [core/cfg.lex:2053]: pp_define_set(): ### setting define ID [DEVSTAGE] value [<null>] (mode: 1)  0(3962) DEBUG: <core> [core/ppcfg.c:188]: pp_substdef_add(): ### added substdef: [DEVSTAGE]=[<null>] (0)  0(3962) DEBUG: <core> [core/re.c:436]: subst_run(): running. r=1  0(3962) DEBUG: <core> [core/re.c:504]: subst_str(): no match  0(3962) DEBUG: <core> [core/re.c:436]: subst_run(): running. r=1  0(3962) DEBUG: <core> [core/re.c:504]: subst_str(): no match my end goal is to compare the directive and load modules accordingly. *#!ifdef DEVSTAGE == "dev"* __________________________________________________________ Kamailio - Users Mailing List - Non Commercial Discussions * sr-users(a)lists.kamailio.org Important: keep the mailing list in the recipients, do not reply only to the sender! Edit mailing list options or unsubscribe: * https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users