Can not get simple set operation working

[ramprasadp]

I am trying to set a value using this module , not successful

I am using redis 4.02 on Centos 7

#!/usr/bin/perl                                                                                                                                                                                      
use strict;
use AnyEvent::Hiredis;
my $redis = AnyEvent::Hiredis->new;
$redis->command( ['SET', "ABC", 'foo'], sub {});