Sending a user id to our database after signing up

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3

fwiw I found an example of what I was looking for in another thread:

exports.onExecutePostLogin = async (event, api) => {
  if (event.stats.logins_count !== 1) {
    // do nothing for subsequent logins, only care about the first one.
    return;
  }

  try {
    // post to our backend here with the user id from the meta data.
  } catch (e) {
    // very rare but incase our backend is unavailable
    console.log(e);
    api.access.deny('Could not log you in at this time');
  }
};

Which redirects to your callback url with the error query params:

https://manage.auth0.com/tester/callback?connection=google-oauth2&error=access_denied&error_description=Could%20not%20clog%20you%20in

I haven’t implemented this yet but this is the direction I’m going to go in