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lang: en
title: 'API docs: context.invocationcontext._constructor_'
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.invocationcontext._constructor_.html
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[Home](./index.md) > [@loopback/context](./context.md) > [InvocationContext](./context.invocationcontext.md) > [(constructor)](./context.invocationcontext._constructor_.md)
## InvocationContext.(constructor)
Construct a new instance of `InvocationContext`
<b>Signature:</b>
```typescript
constructor(parent: Context, target: object, methodName: string, args: InvocationArgs, source?: InvocationSource<unknown> | undefined);
```
## Parameters
| Parameter | Type | Description |
| --- | --- | --- |
| parent | [Context](./context.context.md) | Parent context, such as the RequestContext |
| target | object | Target class (for static methods) or prototype/object (for instance methods) |
| methodName | string | Method name |
| args | [InvocationArgs](./context.invocationargs.md) | An array of arguments |
| source | [InvocationSource](./context.invocationsource.md)<!-- --><unknown> \| undefined | |