Hi I took this example from fusioncharts site.   here is the html file with JSON string. 
 
	But I need it in XML.  I don't know how to convert it.  Please help.  Thank you.
 
	<html> 
	<head> 
	<title>My first chart using FusionCharts Suite XT</title> 
	<script type="text/javascript" src="https://cdn.fusioncharts.com/fusioncharts/latest/fusioncharts.js"></script> 
	<script type="text/javascript" src="https://cdn.fusioncharts.com/fusioncharts/latest/themes/fusioncharts.theme.fusion.js"></script>
 
	<script type="text/javascript">
 
	const dataSource = { 
	  "chart": { 
	    "dateformat": "mm/dd/yyyy", 
	    "caption": "Event Planning Process", 
	    "theme": "fusion", 
	    "canvasborderalpha": "40", 
	    "ganttlinealpha": "50" 
	  }, 
	  "tasks": { 
	    "color": "#5D62B5", 
	    "task": [ 
	      { 
	        "start": "03/07/2018", 
	        "end": "03/17/2018" 
	      }, 
	      { 
	        "start": "03/14/2018", 
	        "end": "03/28/2018" 
	      }, 
	      { 
	        "start": "03/15/2018", 
	        "end": "03/31/2018" 
	      }, 
	      { 
	        "start": "04/02/2018", 
	        "end": "04/12/2018" 
	      }, 
	      { 
	        "start": "04/12/2018", 
	        "end": "04/30/2018" 
	      }, 
	      { 
	        "start": "04/20/2018", 
	        "end": "05/06/2018" 
	      }, 
	      { 
	        "start": "04/30/2018", 
	        "end": "05/10/2018" 
	      }, 
	      { 
	        "start": "04/30/2018", 
	        "end": "05/25/2018" 
	      }, 
	      { 
	        "start": "05/04/2018", 
	        "end": "06/05/2018" 
	      } 
	    ] 
	  }, 
	  "processes": { 
	    "headertext": "Task", 
	    "headeralign": "left", 
	    "fontsize": "14", 
	    "isbold": "0", 
	    "align": "left", 
	    "process": [ 
	      { 
	        "label": "Define event goals" 
	      }, 
	      { 
	        "label": "Source venue options" 
	      }, 
	      { 
	        "label": "Finalize speaker reach out list" 
	      }, 
	      { 
	        "label": "Compose sponsorship strategy" 
	      }, 
	      { 
	        "label": "Reach out to sponsors" 
	      }, 
	      { 
	        "label": "Create social media campaign" 
	      }, 
	      { 
	        "label": "Reach out to blogs for backlinks" 
	      }, 
	      { 
	        "label": "Optimize SEO ranking" 
	      }, 
	      { 
	        "label": "Publish event lead up vlog series" 
	      } 
	    ] 
	  }, 
	  "categories": [ 
	    { 
	      "category": [ 
	        { 
	          "start": "03/05/2018", 
	          "end": "03/31/2018", 
	          "label": "March" 
	        }, 
	        { 
	          "start": "04/01/2018", 
	          "end": "04/30/2018", 
	          "label": "April" 
	        }, 
	        { 
	          "start": "05/01/2018", 
	          "end": "05/31/2018", 
	          "label": "May" 
	        }, 
	        { 
	          "start": "06/01/2018", 
	          "end": "06/10/2018", 
	          "label": "June" 
	        } 
	      ] 
	    }, 
	    { 
	      "category": [ 
	        { 
	          "start": "03/05/2018", 
	          "end": "03/11/2018", 
	          "label": "W 1" 
	        }, 
	        { 
	          "start": "03/12/2018", 
	          "end": "03/18/2018", 
	          "label": "W 2" 
	        }, 
	        { 
	          "start": "03/19/2018", 
	          "end": "03/25/2018", 
	          "label": "W 3" 
	        }, 
	        { 
	          "start": "03/26/2018", 
	          "end": "04/01/2018", 
	          "label": "W 4" 
	        }, 
	        { 
	          "start": "04/02/2018", 
	          "end": "04/08/2018", 
	          "label": "W 5" 
	        }, 
	        { 
	          "start": "04/09/2018", 
	          "end": "04/15/2018", 
	          "label": "W 6" 
	        }, 
	        { 
	          "start": "04/16/2018", 
	          "end": "04/22/2018", 
	          "label": "W 7" 
	        }, 
	        { 
	          "start": "04/23/2018", 
	          "end": "04/29/2018", 
	          "label": "W 8" 
	        }, 
	        { 
	          "start": "04/30/2018", 
	          "end": "05/06/2018", 
	          "label": "W 9" 
	        }, 
	        { 
	          "start": "05/07/2018", 
	          "end": "05/13/2018", 
	          "label": "W 10" 
	        }, 
	        { 
	          "start": "05/14/2018", 
	          "end": "05/20/2018", 
	          "label": "W 11" 
	        }, 
	        { 
	          "start": "05/21/2018", 
	          "end": "05/27/2018", 
	          "label": "W 12" 
	        }, 
	        { 
	          "start": "05/28/2018", 
	          "end": "06/03/2018", 
	          "label": "W 13" 
	        }, 
	        { 
	          "start": "06/04/2018", 
	          "end": "06/10/2018", 
	          "label": "W 14" 
	        } 
	      ] 
	    } 
	  ] 
	};
 
	FusionCharts.ready(function() { 
	   var myChart = new FusionCharts({ 
	      type: "gantt", 
	      renderAt: "chart-container", 
	      width: "600", 
	      height: "300", 
	      dataFormat: "json", 
	      dataSource 
	   }).render(); 
	}); 
	</script> 
	</head> 
	<body> 
	    <div id="chart-container">FusionCharts XT will load here!</div> 
	</body> 
	</html>