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

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---
lang: en
title: 'API docs: context.context.get'
keywords: LoopBack 4.0, LoopBack 4, Node.js, TypeScript, OpenAPI
sidebar: lb4_sidebar
editurl: https://github.com/loopbackio/loopback-next/tree/master/packages/context
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.

**Signature:**

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

## Parameters

<table><thead><tr><th>

Parameter


</th><th>

Type


</th><th>

Description


</th></tr></thead>
<tbody><tr><td markdown="1">

keyWithPath


</td><td markdown="1">

[BindingAddress](./context.bindingaddress.md)<!-- -->&lt;ValueType&gt;


</td><td markdown="1">

The binding key, optionally suffixed with a path to the (deeply) nested property to retrieve.


</td></tr>
<tr><td markdown="1">

session


</td><td markdown="1">

[ResolutionSession](./context.resolutionsession.md)


</td><td markdown="1">

_(Optional)_ Optional session for resolution (accepted for backward compatibility)


</td></tr>
</tbody></table>

**Returns:**

Promise&lt;ValueType&gt;

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');
```