Listing 1—XML-RPC requests are defined by a standardized XML schema that contains a series of nested tags defining what procedure call to execute and its parameters. The example request demonstrates the gpib.Send(2,“CH1:SCALE?”,1) call.

<?xml version=”1.0”?>
<methodCall>
	<methodName>gpib.Send</methodName>
	<params>
		<param>
              		<value><int>2</int></value>
             		<value><string>CH1:SCALE?</string></value>
               		<value><int>1</int></value>
		</param>
	</params>
</methodCall>