# Interactions

The hover configuration is passed into the `options.hover` namespace. The global hover configuration is at `Chart.defaults.global.hover`. To configure which events trigger chart interactions, see events.

Name | Type | Default | Description
--- | --- | --- | ---
`mode` | `String` | `'nearest'` | Sets which elements appear in the tooltip. See Interaction Modes for details.
`intersect` | `Boolean` | `true` | if true, the hover mode only applies when the mouse position intersects an item on the chart.
`axis` | `String` | `'x'` | Can be set to `'x'`, `'y'`, or `'xy'` to define which directions are used in calculating distances. Defaults to `'x'` for `index` mode and `'xy'` in `dataset` and `nearest` modes.
`animationDuration` | `Number` | `400` | Duration in milliseconds it takes to animate hover style changes.

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