# describeCborType

> **describeCborType**(`value`): `string`

Defined in: [packages/filecoin-encryption-envelope/src/cose/headers.ts:280](https://github.com/FilOzone/synapse-sdk/blob/9ad84d812e1dd635b76420a7d9388555a04f31b6/packages/filecoin-encryption-envelope/src/cose/headers.ts#L280)

Return a human-readable type name for validation errors.

Accepts `unknown` because error paths may receive values outside the
supported CBOR value set [CborValue](/reference/filoz/filecoin-encryption-envelope/namespaces/cose/type-aliases/cborvalue/), including class instances and JavaScript-only types.

## Parameters

| Parameter | Type |
| ------ | ------ |
| `value` | `unknown` |

## Returns

`string`