> For the complete documentation index, see [llms.txt](https://near-sdk-js.gitbook.io/near-sdk-js/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://near-sdk-js.gitbook.io/near-sdk-js/near-bindgen/functions/middleware.md).

# middleware

[**near-bindgen**](/near-sdk-js/near-bindgen.md) • **Docs**

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[near-sdk-js v2.0.0](/near-sdk-js/packages.md) / [near-bindgen](/near-sdk-js/near-bindgen.md) / middleware

## Function: middleware()

> **middleware**<`Arguments`>(...`middlewares`): `DecoratorFunction`

Tells the SDK to apply an array of passed in middleware to the function execution.

### Type Parameters

• **Arguments** *extends* `any`\[]

### Parameters

• ...**middlewares**: `Middleware`<`Arguments`>\[]

The middlewares to be executed.

### Returns

`DecoratorFunction`

### Defined in

[packages/near-sdk-js/src/near-bindgen.ts:132](https://github.com/near/near-sdk-js/blob/b58ac04fc6dff2f1120e9098c0cb059493486598/packages/near-sdk-js/src/near-bindgen.ts#L132)