Optional
Additional payload to include in the access token request. Items will be encoded and sent using x-www-form-urlencoded format. Nested items (JSON) will be stringified and url encoded.
The authorization code
Callbacks to use for requesting access token
PKCE Code verifier that was used in the authorization request.
Redirect uri to include in the access token request. It MUST be set as in the Request Object.
Additional payload to include in the access token request. Items will be encoded and sent using x-www-form-urlencoded format. Nested items (JSON) will be stringified and url encoded.