# Fanning event markers

https://fieldbook.lizardi.mx/components/fanning-event-markers

Category: Charts
![Still of the Fanning event markers component, a Fieldbook UI component in Charts.](https://fieldbook.lizardi.mx/thumbs/fanning-event-markers.webp)
Preview video: https://ejpqcxcjbiyabxkx.public.blob.vercel-storage.com/previews/fanning-event-markers-5708281a3a.mp4 (5 s, silent)

Fanning event markers: Round event badges pinned above a plot with guide lines; clustered ones stack into a counted badge that fans open on hover.

## Frameworks

react, vue, svelte, astro, html

## Preview controls

These controls are passed to the demo. Defaults and limits describe the preview; consult the implementation for its full prop API.

| Name | Type | Default | Options or constraints |
| --- | --- | --- | --- |
| accent | color | #FF4D8D | No additional limit in the metadata. |
| size | number | 28 | From 20 to 40; step 1 |
| markers | number | 6 | From 3 to 10; step 1 |
| maxFanned | number | 5 | From 3 to 8; step 1 |
| showLines | boolean | true | No additional limit in the metadata. |

## Usage notes

Fanning event markers uses the wide preview frame with a light/dark theme setting.

### Which frameworks are available for Fanning event markers?

Fanning event markers is available for React, Vue, Svelte, Astro, HTML. The live preview uses React; the source observations below apply to index.tsx. Check the selected port before relying on the same interactions.

### What does Fanning event markers depend on?

The React metadata lists these npm dependencies beyond React: motion.

### What accessibility details are visible in Fanning event markers?

The React source for Fanning event markers includes: attributes and handlers (aria-hidden, aria-label, tabIndex). These are source observations. Verify accessible names, focus order and keyboard behavior in the composed page.

### How does Fanning event markers handle reduced motion?

Fanning event markers reads the motion preference in its React source through useReducedMotion(). Preference-dependent expressions in index.tsx: reduced ? \{ duration: 0.01 \} : \{ duration: 0.16, ease: \[0.2, 0.8, 0.2, 1\] \}. Check the full implementation, shared styles and selected port with reduced motion enabled; these observations do not establish that every animation stops.

## Install through MCP

Connect your client, call get_component to retrieve the implementation, then get_install_command for installation instructions. Choose a listed framework, integrate the returned source and verify it in your application.

```json
{
  "tool": "get_component",
  "arguments": {
    "slug": "fanning-event-markers",
    "framework": "react"
  }
}
```

[For agents](https://fieldbook.lizardi.mx/docs/agents)
[MCP](https://fieldbook.lizardi.mx/api/mcp)

## Related open components

- [Value labeled line](https://fieldbook.lizardi.mx/components/value-labeled-line)
- [Activity cell heatmap](https://fieldbook.lizardi.mx/components/activity-cell-heatmap)
- [Animated Time Axis](https://fieldbook.lizardi.mx/components/animated-time-axis)
- [Area chart lite](https://fieldbook.lizardi.mx/components/area-chart-lite)
- [Candle Price Chart](https://fieldbook.lizardi.mx/components/candle-price-chart)
- [Concentric Ring Chart](https://fieldbook.lizardi.mx/components/concentric-ring-chart)