You say "session", but you're using a parameter. Using a parameter is much simpler and will do the trick just fine. The only catch is that it's subject to manipulation by the user. If that's not a problem, the second page would do: 

my $customer_get = $q->param('customer');

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In reply to Re: Understanding the Use of Session Variables by ikegami
in thread Understanding the Use of Session Variables by spickles

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