You have to Put variable in  "" as I remember. This is usual rool for all function calling in a config file. 

On Fri, 14 Feb 2020, 14:54 Björn Bylander, <Bjorn.Bylander@loxysoft.com> wrote:
Hi,

According to https://kamailio.org/docs/modules/5.3.x/modules/dispatcher.html#dispatcher.f.ds_is_from_list, ds_is_from_list should accept an integer variable for the group id parameter. The following simple example doesn¹t work however:

        $var(foo) = 5;
        ds_is_from_list($var(foo));

Kamailio logs ³function ds_is_from_list: parameter 1 is not constant². Is this a bug or have I misinterpreted the documentation somehow?

Thanks in advance,
Björn Bylander


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