RDL Report parameter(xml) to filter data

Question

Im Creating an RDL report Using VS 2005. It accepts a parameter which i wish to pass as an XML file.
<root>
<emp>
 <emp detail ID ="1" name="ritu"/>
 <emp detail ID ="2" name ="rishi"/>
</emp>
</root>

How can i filter my report data based on the ID (say 1)