# PasskeyAssertion

> A completed step-up assertion bound to a purpose and subject.

A completed step-up assertion bound to a purpose and subject.

## Fields

| Field | Type | Description |
| --- | --- | --- |
| `challenge_id` * | string |  |
| `credential` * | [WebAuthnCredential](/docs/api/objects/web-authn-credential/) |  |

\* always present

## Example

```json
{
  "challenge_id": "string",
  "credential": {
    "id": "string",
    "rawId": "string",
    "type": "public-key",
    "response": {},
    "authenticatorAttachment": "string",
    "clientExtensionResults": {}
  }
}
```