This operator act similar to the WSEnrich operator but only calls an external xml-rpc server. Although, WSEnrich operator can do this, too. It is better to use this operator as the handling is easier.
#PARSER PQL #RUNQUERY timer = TIMER({ period = 1000, source = 'timer' } ) mapped = MAP({ expressions = [ ['1','a'], ['1','b'] ], keepinput = true }, timer ) enriched = XmlRpcEnrich({ url = 'http://localhost:8000/RPC2', datafields = [['result', 'Integer']], arguments = ['a','b'], operation = 'add' }, mapped )