@kvaser/canking-api/doc_md/hooks/functions/useDevicesState.md

CanKing API to communicate with the CanKing service using Node.js.

[**Kvaser CanKing GUI Extensions SDK v7.5.1**](../../README.md)

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[Kvaser CanKing GUI Extensions SDK](../../modules.md) / [hooks](../README.md) / useDevicesState

# Function: useDevicesState()

> **useDevicesState**(): [`IDevicesContext`](../interfaces/IDevicesContext.md)

A hook for hardware devices.

## Returns

[`IDevicesContext`](../interfaces/IDevicesContext.md)

The devices state.

## Example

```
const { devices, isLoaded, error } = useDevicesState();

if (!isLoaded) return <Loading />;
if (error) return <ErrorView error={error} />;
// devices value is now safe to use
```