RPC.xsp

<?xml version="1.0" encoding="UTF-8"?>
<xp:view xmlns:xp="http://www.ibm.com/xsp/core"
xmlns:xe="http://www.ibm.com/xsp/coreex">
<!-- part 1: the RPC service: Media.Refresh(MediaID) -->
<xe:jsonRpcService id="jsonRpcService1" serviceName="Media">
		<xe:this.methods>
			<xe:remoteMethod name="Refresh">
				<xe:this.arguments>
					<xe:remoteMethodArg name="MediaID" type="string"></xe:remoteMethodArg>
				</xe:this.arguments>
				<xe:this.script><![CDATA[
				print("RPC on server" + MediaID);
				MediaID="456";
				return MediaID+"server";
				]]></xe:this.script>
			</xe:remoteMethod>
		</xe:this.methods>
	</xe:jsonRpcService>

<!-- part 2: Calling the RPC from client-side -->
  <xp:button value="Go server" id="Action">
		<xp:eventHandler event="onclick" submit="false">
			<xp:this.script><![CDATA[
			alert("RPC calling Media from client");
			Media.Refresh("ID123").addCallback( function(result){
			alert("Back on client"+ result);
});
]]></xp:this.script>
		</xp:eventHandler></xp:button>
</xp:view>