public async void GetAccessTokenAsync()
{
Assert.That(_clientId, Is.Not.Null.Or.Empty);
Assert.That(_clientSecret, Is.Not.Null.Or.Empty);
Assert.That(_authorizationResult, Is.Not.Null);
var provider = new AccessTokenProvider(_clientId, _clientSecret);
var handle = await provider.ProvideAsync(_authorizationResult.AuthorizationCode, _authorizationResult.CodeVerifier, _authorizationResult.RedirectUri);
if (!handle.IsFailed)
{
_accessTokenResult = handle.Result;
}
Debug.Log($"Access Token: {_accessTokenResult.AccessToken}");
}