# Function: isFormData()

> 

> **isFormData**(`input`): `input is FormData`

Defined in: [packages/client/src/links/internals/contentTypes.ts:13](https://github.com/trpc/trpc/blob/7c907acfd8b31929214792e3b8c2ad7a8ac72563/packages/client/src/links/internals/contentTypes.ts#L13)

Whether an input is `FormData`.

## Parameters

| Parameter | Type |
| ------ | ------ |
| `input` | `unknown` |

## Returns

`input is FormData`