---
lang: en
title: 'API docs: service-proxy.serviceproxymetadata'
keywords: LoopBack 4.0, LoopBack 4
sidebar: lb4_sidebar
permalink: /doc/en/lb4/apidocs.service-proxy.serviceproxymetadata.html
---

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[Home](./index.md) &gt; [@loopback/service-proxy](./service-proxy.md) &gt; [ServiceProxyMetadata](./service-proxy.serviceproxymetadata.md)

## ServiceProxyMetadata class

Metadata for a service proxy

<b>Signature:</b>

```typescript
export declare class ServiceProxyMetadata implements InjectionMetadata 
```

## Constructors

|  Constructor | Modifiers | Description |
|  --- | --- | --- |
|  [(constructor)(dataSource)](./service-proxy.serviceproxymetadata.(constructor).md) |  | Constructs a new instance of the <code>ServiceProxyMetadata</code> class |

## Properties

|  Property | Modifiers | Type | Description |
|  --- | --- | --- | --- |
|  [dataSource](./service-proxy.serviceproxymetadata.datasource.md) |  | <code>juggler.DataSource</code> |  |
|  [dataSourceName](./service-proxy.serviceproxymetadata.datasourcename.md) |  | <code>string</code> |  |
|  [decorator](./service-proxy.serviceproxymetadata.decorator.md) |  | <code>string</code> |  |


