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---
lang: en
title: 'API docs: context.genericinterceptorchain._constructor__1'
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.genericinterceptorchain._constructor__1.html
---
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[Home](./index.md) > [@loopback/context](./context.md) > [GenericInterceptorChain](./context.genericinterceptorchain.md) > [(constructor)](./context.genericinterceptorchain._constructor__1.md)
## GenericInterceptorChain.(constructor)
Create an invocation interceptor chain with a binding filter and comparator. The interceptors are discovered from the context using the binding filter and sorted by the comparator (if provided).
**Signature:**
```typescript
constructor(context: C, filter: BindingFilter, comparator?: BindingComparator);
```
## Parameters
<table><thead><tr><th>
Parameter
</th><th>
Type
</th><th>
Description
</th></tr></thead>
<tbody><tr><td markdown="1">
context
</td><td markdown="1">
C
</td><td markdown="1">
Context object
</td></tr>
<tr><td markdown="1">
filter
</td><td markdown="1">
[BindingFilter](./context.bindingfilter.md)
</td><td markdown="1">
A binding filter function to select interceptors
</td></tr>
<tr><td markdown="1">
comparator
</td><td markdown="1">
[BindingComparator](./context.bindingcomparator.md)
</td><td markdown="1">
_(Optional)_ An optional comparator to sort matched interceptor bindings
</td></tr>
</tbody></table>