@loopback/docs/site/apidocs/repository.ensurepromise.md

Documentation for LoopBack 4

---
lang: en
title: 'API docs: repository.ensurepromise'
keywords: LoopBack 4.0, LoopBack 4
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permalink: /doc/en/lb4/apidocs.repository.ensurepromise.html
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[Home](./index.md) &gt; [@loopback/repository](./repository.md) &gt; [ensurePromise](./repository.ensurepromise.md)

## ensurePromise() function

Ensure the value is a promise

<b>Signature:</b>

```typescript
export declare function ensurePromise<T>(p: legacy.PromiseOrVoid<T>): Promise<T>;
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  p | <code>legacy.PromiseOrVoid&lt;T&gt;</code> | Promise or void |

<b>Returns:</b>

`Promise<T>`