VerticalBarChartWithLabels.json

{
  "data": {
    "name": "dataset"
  },
  "title":"Total Sales by Segment - Vertical Bar Chart",
  "encoding": {
    "x": {
      "field": "Segment",
      "type": "nominal",
      "sort":"-y",
      "axis":{
        "labelAngle":360,
        "title":null,
        "domain": false,
        "ticks": false
      }
    },
    "y": {
      "field": "Total Sales",
      "type": "quantitative",
      "axis":{
        "grid": false,
        "title":null,
        "domain": false,
        "ticks": false,
        "labels": false
      }
    }
  },
  "layer":[{
  "mark":  "bar"
  },{
  "mark":{
  "type":"text",
  "align":"left",
  "baseline":"middle",
  "dy":-5,
  "dx": -10
},
"encoding":{
  "text": {"field": "Total Sales", "type":"quantitative","format":".2s"}
  }}
]
}