>From embedded lua/python/etc., leverage $var(...) to pass the values, it
can be done both ways, there are functions to get/set via KSR.pv or KSR.pvx:

  -
https://www.kamailio.org/docs/tutorials/devel/kamailio-kemi-framework/core/#ksrpv-submodule
  -
https://www.kamailio.org/docs/tutorials/devel/kamailio-kemi-framework/modules/#pvx

For exec, there is exec_avp() that could help.

Cheers,
Daniel


On 08.02.23 19:16, Dmytro M wrote:
> What is the simplest way to return values from external application
> into Kamailio config and assign it to a variable?
>
> I'm looking for the most light weight mechanism to do it and to
> offload some logic to external app. Something like this would be ideal:
>
> $var(myVar), $var(err) = lua_run("lua_func1", "$rU");
>
> OR
>
> $var(encString) = exec_cmd("echo 'abc $rU' | base64");
>
>
> There is this method:
> http_client_query("http://...";, "", "", "$var(result)");
> but there is an overhead of networking and HTTP protocol.
>
> Please advise.
>
> Thanks, Dmytro
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-- 
Daniel-Constantin Mierla -- www.asipto.com
www.twitter.com/miconda -- www.linkedin.com/in/miconda
Kamailio World Conference - June 5-7, 2023 - www.kamailioworld.com

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