[SR-Users] can't assign values to $fU

[Karthik Srinivasan]

 From the online documentation:$fU - From URI username

*$fU* - reference to username in URI of 'From' header

It is R/W variable (you can assign values to it directly in configuration
file)
But i am no able to assign values to $fU.  Has anyone experienced this?

Snippet of code in the configuration file of mine and its respective logs
showing that $fU is not getting overwritten.  I have tried to hard code
values to it assign variables to it, all to no avail.

configuration file code snippet:

  xlog("L_INFO", "[$ci]   from header username pre mod: $fU");
  $fU = "5555555555";
  xlog("L_INFO", "[$ci]   from header username post mod: $fU");

Logfile snippet:

INFO: (s) [7EAB8FECD723E8444E36C659F331068B41EC6BB0]   from header username
pre mod: 3224567880
INFO: (s) [7EAB8FECD723E8444E36C659F331068B41EC6BB0]   from header username
post mod: 3224567880

Thanks,

Karthik
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