voluptasmollitia/docs-exp/auth.reactnativeasyncstorage.setitem.md

Monorepo for the Firebase JavaScript SDK

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[Home](./index.md) &gt; [@firebase/auth](./auth.md) &gt; [ReactNativeAsyncStorage](./auth.reactnativeasyncstorage.md) &gt; [setItem](./auth.reactnativeasyncstorage.setitem.md)

## ReactNativeAsyncStorage.setItem() method

Persist an item in storage.

<b>Signature:</b>

```typescript
setItem(key: string, value: string): Promise<void>;
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  key | string | storage key. |
|  value | string | storage value. |

<b>Returns:</b>

Promise&lt;void&gt;