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

Documentation files rendered at [https://loopback.io](https://loopback.io)

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

<!-- Do not edit this file. It is automatically generated by API Documenter. -->

[Home](./index.md) &gt; [@loopback/repository](./repository.md) &gt; [isInvalidRelationError](./repository.isinvalidrelationerror.md)

## isInvalidRelationError() function

<b>Signature:</b>

```typescript
export declare function isInvalidRelationError(e: any): e is InvalidRelationError<any>;
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  e | any |  |

<b>Returns:</b>

e is [InvalidRelationError](./repository.invalidrelationerror.md)<!-- -->&lt;any&gt;