How to use Builder?

ruby-talk
1

Hello. I'm a Ruby newbie, so please bear with me. I have an object
named Contact that has attributes first_name, last_name, address1, etc.
I want to create an XML file in the following format:

<?xml version="1.0" encoding="ISO-8859-1"?>
<contacts>
    <contact>
        <first_name>David</first_name>
        <last_name>Smith</last_name>
        <address1>123 Main St</address1>
    </contact>
    <contact>
        <first_name>John</first_name>
        <last_name>Doe</last_name>
        <address1>321 First Ave.</address1>
    </contact>
</contacts>

How do I use Builder to create this XML output? Do I need to iterate
through the Contact attributes and convert into a hash before running
Builder?

Thanks in advance
David

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