---
lang: en
title: 'API docs: context.binding.apply'
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.binding.apply.html
---

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[Home](./index.md) &gt; [@loopback/context](./context.md) &gt; [Binding](./context.binding.md) &gt; [apply](./context.binding.apply.md)

## Binding.apply() method

Apply one or more template functions to set up the binding with scope, tags, and other attributes as a group.

**Signature:**

```typescript
apply(...templateFns: BindingTemplate<T>[]): this;
```

## Parameters

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

Parameter


</th><th>

Type


</th><th>

Description


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

templateFns


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

[BindingTemplate](./context.bindingtemplate.md)<!-- -->&lt;T&gt;\[\]


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

One or more functions to configure the binding


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

**Returns:**

this

## Example


```ts
const serverTemplate = (binding: Binding) =>
  binding.inScope(BindingScope.SINGLETON).tag('server');

const serverBinding = new Binding<RestServer>('servers.RestServer1');
serverBinding.apply(serverTemplate);
```