//Create an indicator to be used to determine whether there are blocked series in workbook
	var someSerieIsPinnedFlag;
	//Variable for storing selected series array
	var selSeries;
	//Button, clicking which blocks or unblocks the selected series
	var pinSerieButton = new PP.Ui.Button({
		ParentNode: document.body, //DOM parent node
		Content: "Block Series", //Text
		Click: PP.Delegate(onClickPinSerie)					
	});
				 
	//Block Series button click handler
	function onClickPinSerie()
	{
		//Create an object containing a series for blocking or unblocking
		var series = {};
		series.its = {};
		series.its.it = [];
					
		//Create an object containing a series to be blocked
		var pinnedSerie = {
			id: "",
			k: PP.Mb.UINT32MAXVALUE
		};	
		
		if (selSeries && selSeries.length > 0)
		{	
			var selSerie = undefined;
			//Whether there are blocked series in the workbook, create an object passed to the 
			//pinSeries method as a parameter
			if (!someSerieIsPinnedFlag)
			{							
				selSerie = selSeries[0];
				pinnedSerie.id = selSerie.id;
				pinnedSerie.k = selSerie.k;
			}
			else
			{
				for (var i = 0; i < selSeries.length; i++)
				{
					series.its.it.push({
						k: selSeries[i].k,
						id: selSeries[i].id,
						kind: selSeries[i].kind
					});
				}
			}
		}									
		series.pinned = pinnedSerie;
		//Set blocking in the workbook
		wbk.getActiveSheet().setPinned(pinnedSerie.k != PP.Mb.UINT32MAXVALUE ? pinnedSerie : undefined);
					
		//Get body of request for blocking workbook series
		var body = tsService.getPinSeriesSettings(wbk, series);
		//Set whether workbook is changed
		wbk.setIsChanged(True);
		//Send request to server for blocking workbook series
		tsService._send(body, PP.Delegate(onResponse));								
		}
				
		//pinSeries method execution end event handler
		function onResponse()
		{
			//Refresh entire component to display workbook
			workbookBox.refreshAll();
		}
				
		//Repository interaction end handler. Used to set availability of the 
		//"Block Series" button depending on whether it is available to block the selected series and set whether 
		//there are blocked series in the workbook
		metabase.EndRequest.add(PP.Delegate(function(){				
		selSeries = wbk.getActiveSheet().getSelectedSeries();
		if (selSeries.length == 1 && selSeries[0].calc && selSeries[0].calc.formula)
		{
			pinSerieButton.setEnabled(True);
		}
		else
		{
			pinSerieButton.setEnabled(False);
		}					
		someSerieIsPinnedFlag = (wbk.getActiveSheet().getPinned() ? true : false);
	}));