{
"schemaVersion": 1,
"type": "bar",
"title": "Budget and actual costs",
"source": "Example data",
"categoryAxis": { "title": "Month" },
"valueAxis": { "title": "Costs in thousands" },
"categories": ["January", "February", "March", "April"],
"series": [
{ "name": "Budget", "values": [120, 150, 140, 160] },
{ "name": "Actual", "values": [130, 145, 152, null] }
]
}