you can set it in additionalParameters like this:
AuthorizationTokenRequest(
AUTH0_CLIENT_ID,
AUTH0_REDIRECT_URI,
issuer: AUTH0_ISSUER,
additionalParameters: {‘audience’: ‘<your_audience>’},
scopes: [‘openid’, ‘email’, ‘profile’, ‘offline_access’, ‘api’],
discoveryUrl: ‘$AUTH0_ISSUER/.well-known/openid-configuration’,
),