<?xml version="1.0"?> <param xml:id="psp_vflyby4_btot"> <get> <amdaParam name="psp_vflyby4_b_vso" /> </get> <process description="magnitude(psp_vflyby4_b_vso)">magnitude($psp_vflyby4_b_vso)</process> <output/> </param>