| grantType | inline | Denotes the flow you are using. For Authorization Code, use authorization_code or refresh_token. | |
| clientId | kotlin.String | Your application's Client ID. | |
| code | kotlin.String | The Authorization Code received from the initial /authorize call. | |
| redirectUri | kotlin.String | This is required only if it was set at the GET /authorize endpoint. The values must match. | |
| codeVerifier | kotlin.String | Cryptographically random key that was used to generate the code_challenge passed to /authorize. | |
| schema | EmbeddedModelSchema | | [optional] |
| audience | kotlin.String | The audience domain: i.e. https://pieces.us.auth0.com | [optional] |