Whitelisted Domains on the Facebook page

Why need to set up the whitelisted domains?

Authorize the systems able to send out the messages.
Enable the customers able to view their shopping cart and perform the checkout.
Ensure the function of auto-fill shipping detail in the shopping cart is working.

The steps to set up the whitelisted domain

Step 1: Go to your Facebook page, meta business suite. Click on the ‘All Tools‘ on the menu.

Step 2: Open the Page Settings under the Manage.

Step 3: Click on the ‘New Page Experience‘ > ‘Advanced messaging‘.

Step 4: Scroll down to White-listed domains and add in https://fb-live.web.app/ & https://fb-live.boxify.io/