UpdateStore

dekiapi();
var channel = $subscribe ?? 'default';
var store = $id ?? 'data';
<script type="text/jem">"
	Deki.subscribe('" .. string.escape(channel) .. "', null, function(c, m, d) {
		var prop = 'urn:custom.mindtouch.com#'  + '"..store.."';
		MindTouch.Deki.ReadPageProperty(null, prop, function(result) {
			var data = eval('(' + (result.value || '[]') + ')');
			data.push(m);
			if(result.etag) {
				MindTouch.Deki.UpdatePageProperty(result.href, YAHOO.lang.JSON.stringify(data), result.etag, function() {
					alert('Thank you. The information has been submitted.');
				}, function(result) {
					alert('An error occurred trying to update the store (status: ' + result.status + ' - ' + result.text + ')');
				});
			} else {
				MindTouch.Deki.CreatePageProperty(null, prop, YAHOO.lang.JSON.stringify(data), function() {
					alert('Thank you. The information has been submitted.');
				}, function(result) {
					alert('An error occurred trying to create the store (status: ' + result.status + ' - ' + result.text + ')');
				});
			}
		}, function(result) {
			alert('An error occurred trying to read the store (status: ' + result.status + ' - ' + result.text + ')');
		});
	}, null);
"</script>