# Function: isFormData()

> 

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

Defined in: [packages/client/src/links/internals/contentTypes.ts:13](https://github.com/trpc/trpc/blob/57482b0bb09dce5c838dc8bf5727a943488bac61/packages/client/src/links/internals/contentTypes.ts#L13)

Whether an input is `FormData`.

## Parameters

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

## Returns

`input is FormData`