---
lang: en
title: 'API docs: filter.filter.where'
keywords: LoopBack 4.0, LoopBack 4, Node.js, TypeScript, OpenAPI
sidebar: lb4_sidebar
editurl: https://github.com/loopbackio/loopback-next/tree/master/packages/filter
permalink: /doc/en/lb4/apidocs.filter.filter.where.html
---

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[Home](./index.md) &gt; [@loopback/filter](./filter.md) &gt; [Filter](./filter.filter.md) &gt; [where](./filter.filter.where.md)

## Filter.where property

The matching criteria

**Signature:**

```typescript
where?: Where<MT>;
```