Your $self->{clientorgunit} is a refernce to an array, so you need to deref it to make it an array before you put things into it. You could do it either as:

@{$self->{clientorgunit}} = @items_to_put;
[download]

Or, better, if you are continuing to add items to it:

push @{$self->{clientorgunit}}, @items_to_put;
[download]

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Dr. Michael K. Neylon - mneylon-pm@masemware.com || "You've left the lens cap of your mind on again, Pinky" - The Brain
It's not what you know, but knowing how to find it if you don't know that's important