var changeColumnsSettingsButt = new PP.Ui.Button({
		ParentNode: document.body, //DOM parent node
		Content: "Change Column Parameters", //text      
		Click: PP.Delegate(onClickgetChangeColumnsSettings)     
	}); 
				 
	function onClickgetChangeColumnsSettings()
	{   
		var source = workbookBox.getSource();//Return an instance of the PP.TS.WbkDocument class
		var columns = wbk.getWbkMetadata().columns; 
		//Change text in the column header
		columns.its.it[0].customTitle = 'Column changed'; 
		//Change workbook columns 				 
		var body = tsService.getChangeColumnsSettings(wbk, columns);
		wbk.setIsChanged(True);
		tsService._invokeRemoteProc(wbk, body, PP.Delegate(onColumnsChanged, this));
				 
		//changeColumns function execution end event handler
		function onColumnsChanged(sender, args){
			//Refresh the workbookBox component
			workbookBox.refreshAll();
		}
	}