What authorized domain do I give firebase authentication for my local Expo app?

Please provide the following:

  1. SDK 44:
  2. Platforms(ALL):
  3. (Couldn’t find firebase tag)

I am new to these forums. I don’t know if a question like this is necessarily okay to ask here, please let me know if it’s outside of the proximity but it’s hard to find good info on expo out there.

I am wanting to create a redirect link into my app after a user verifies his or her email with Firebae. So basically these are the simple steps.

  1. User verifies email by clicking the link sent to them in their email
  2. Link takes user back into expo <---- This is the issue

Here is the piece of information I need:

 const handleSignIn = () => {
      .sendSignInLinkToEmail(userInfo.username, {
        url: url // <-- this url needs to be the redirect url back into Expo,
        handleCodeInApp: true,
      .catch((e) => console.error(e.message));

The problem is I don’t know what to put here when I click: “Add Domain”

I know I can use exp:// and the IP address with port, but Firebase is asking for a domain name and right now I don’t have one. Any suggestions?

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