# filterChanged

Emitted when applied filters change. Distinguish from filterModified, which describes input changes.

Canonical: https://grid.syidax.com/docs/events/filterChanged/

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## What does this API do?

Emitted when applied filters change. Distinguish from filterModified, which describes input changes.

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## Exact input and result types

```typescript
filterChanged: GridFilterChangedDetail
```

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## Usage flow

Subscribe with grid.addEventListener('filterChanged', handler). The result is in event.detail, and event names are case-sensitive. Remove subscriptions when disposing of the view.

```javascript
const controller = new AbortController();
grid.addEventListener('filterChanged', event => {
  console.log(event.detail);
}, { signal: controller.signal });
// On view disposal: controller.abort();
```

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## Read related types

- [GridFilterChangedDetail](https://grid.syidax.com/docs/types/GridFilterChangedDetail.md)

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## Feature explanations and examples

- [Conditions for each column](https://grid.syidax.com/docs/features/column-filters.md) — Column filters apply conditions to individual columns. Text, numbers, and dates use different inputs and comparisons; conditions across columns narrow results together.