@loopback/docs/site/apidocs/repository.kvconnector.expire.md

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---
lang: en
title: 'API docs: repository.kvconnector.expire'
keywords: LoopBack 4.0, LoopBack 4, Node.js, TypeScript, OpenAPI
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permalink: /doc/en/lb4/apidocs.repository.kvconnector.expire.html
---

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[Home](./index.md) &gt; [@loopback/repository](./repository.md) &gt; [KVConnector](./repository.kvconnector.md) &gt; [expire](./repository.kvconnector.expire.md)

## KVConnector.expire() method

Set up ttl for an entry by key

**Signature:**

```typescript
expire(modelClass: Class<Entity>, key: string, ttl: number, options?: Options): Promise<boolean>;
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  modelClass | [Class](./repository.class.md)<!-- -->&lt;[Entity](./repository.entity.md)<!-- -->&gt; | Model class |
|  key | string | Key for the entry |
|  ttl | number |  |
|  options | [Options](./repository.options.md) | _(Optional)_ Options for the operation |

**Returns:**

Promise&lt;boolean&gt;

Promise<true> if an entry is configured for the key, otherwise Promise<false>