Creating an array of structs

hi,

Using ExtendScript how can i create an array of structs to write the following xml metadata in Illustrator 18

            <uaDIO:symbol>

                <uaDIO:symbolName>Pocket</uaDIO:symbolName>

                <rdf:Seq>

                    <rdf:li>

                        <uaDIO:layer>

                            <uaDIO:layerName>Stiching</uaDIO:layer>

                            <uaDIO:color>AABBCC</uaDIO:layer>

                        </uaDIO:layer>

                    </rdf:li>

                     <rdf:li>

                        <uaDIO:layer>

                            <uaDIO:layer>Base</uaDIO:layer>

                            <uaDIO:color>AABBCC</uaDIO:layer>

                        </uaDIO:layer>

                     </rdf:li>

                </rdf:Seq>

            </uaDIO:symbol>