How can I get multiple values from form as a list ?

we designed a form , and there are some attributes designed as checkbox , the data in the form is like following :
    <xml ......>
            <party>11</party>
            <party>22</party>
            <party>33</party>
    </xml>
Is there any easy way to get the parties' data from the xml into a list predefined as a process varible ?
Any help is appreciated !

You woudl use a setValue service and use xPath expressions to extract the individual party nodes from the inbound XML and then populate the list with these values.
Paul

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