# Lollipop (Custom series example)

> WestCoast Charts 1.1.5, release, public Core release, on npm. HTML: https://westcoast-charts.com/gallery/custom-series/lollipop/ · Index for agents: https://westcoast-charts.com/llms.txt

Thin stems with round heads (bar wcc.mark: lollipop).

- Chart type: `bar` (Bar)
- Collection: Custom series · Custom series
- Raw configuration: https://westcoast-charts.com/gallery-src/custom-series/lollipop.js
- Standalone example: https://westcoast-charts.com/embed/samples/wcc/gallery/custom-series/lollipop.html

## Setup

```js
import WestCoastCharts from 'west-coast-charts'
```

## Options

```js
const options = {
  chart: {
    height: 380,
    fontFamily: "Inter, Geist, \"IBM Plex Sans\", system-ui, sans-serif",
    type: "bar",
    toolbar: {
      show: false
    }
  },
  series: [
    {
      name: "Score",
      data: [72, 64, 58, 51, 47, 39, 33, 28]
    }
  ],
  xaxis: {
    categories: ["Lisbon", "Porto", "Seville", "Valencia", "Bilbao", "Malaga", "Braga", "Faro"]
  },
  plotOptions: {
    bar: {
      wcc: {
        mark: "lollipop",
        stemWidth: 3,
        headRadius: 8
      }
    }
  },
  dataLabels: {
    enabled: false
  },
  colors: ["#2563eb"],
  title: {
    text: "City liveability score"
  },
  theme: {
    mode: "light",
    preset: "coastal"
  }
}

const chart = new WestCoastCharts(document.querySelector('#chart'), options)
await chart.render()
```

## Verify

- Text check (Library 1.1.5): load `west-coast-charts/agent/describe` and call `chart.describe({ format: "json" })` for the actual drawn state. The live reader is on this example’s HTML page.
- Command line (Public agent tools 0.2.3, tested with Library 1.1.5; available from the versioned GitHub release and npm, https://westcoast-charts.com/docs/cli/index.md): `wcc chart export custom-series-lollipop.json --out custom-series-lollipop.svg --with-table` (save the options above as JSON first)