@loopback/docs/site/apidocs/context.isbindingaddress.md

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

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[Home](./index.md) &gt; [@loopback/context](./context.md) &gt; [isBindingAddress](./context.isbindingaddress.md)

## isBindingAddress() function

Type guard for binding address

<b>Signature:</b>

```typescript
export declare function isBindingAddress(bindingSelector: BindingSelector): bindingSelector is BindingAddress;
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  bindingSelector | [BindingSelector](./context.bindingselector.md) | Binding key or filter function |

<b>Returns:</b>

bindingSelector is [BindingAddress](./context.bindingaddress.md)