[**@kazupon/jts-utils**](../../index.md)

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[@kazupon/jts-utils](../../index.md) / [observer](../index.md) / ObservableStateSubscribeHandler

# Type Alias: ObservableStateSubscribeHandler()\<State\>

```ts
type ObservableStateSubscribeHandler<State> = (state) => void
```

State value subscribe handler

## Type Parameters

| Type Parameter |
| -------------- |
| `State`        |

## Parameters

| Parameter | Type    |
| --------- | ------- |
| `state`   | `State` |

## Returns

`void`