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

Documentation for LoopBack 4

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

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[Home](./index.md) &gt; [@loopback/context](./context.md) &gt; [Context](./context.context.md) &gt; [get](./context.context.get.md)

## Context.get() method

Get the value bound to the given key, throw an error when no value is bound for the given key.

<b>Signature:</b>

```typescript
get<ValueType>(keyWithPath: BindingAddress<ValueType>, session?: ResolutionSession): Promise<ValueType>;
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  keyWithPath | <code>BindingAddress&lt;ValueType&gt;</code> | The binding key, optionally suffixed with a path to the (deeply) nested property to retrieve. |
|  session | <code>ResolutionSession</code> | Optional session for resolution (accepted for backward compatibility) |

<b>Returns:</b>

`Promise<ValueType>`

A promise of the bound value.

## Example


```ts
// get the value bound to "application.instance"
const app = await ctx.get<Application>('application.instance');

// get "rest" property from the value bound to "config"
const config = await ctx.get<RestComponentConfig>('config#rest');

// get "a" property of "numbers" property from the value bound to "data"
ctx.bind('data').to({numbers: {a: 1, b: 2}, port: 3000});
const a = await ctx.get<number>('data#numbers.a');

```