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

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[Home](./index.md) &gt; [@loopback/repository-json-schema](./repository-json-schema.md) &gt; [getNavigationalPropertyForRelation](./repository-json-schema.getnavigationalpropertyforrelation.md)

## getNavigationalPropertyForRelation() function

Checks and return navigational property definition for the relation

**Signature:**

```typescript
export declare function getNavigationalPropertyForRelation(relMeta: RelationMetadata, targetRef: JsonSchema): JsonSchema;
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  relMeta | [RelationMetadata](./repository.relationmetadata.md) | Relation metadata object |
|  targetRef | JsonSchema | Schema definition for the target model |

**Returns:**

JsonSchema