Hey @MortgageRockstar, welcome to the community! When using a trigger node in n8n you wouldn’t usually need to configure your webhooks manually.
If you want (or need) to manually set up a webhook in a 3rd-party system like Facebook, you’d need to use the generic Webhook node in n8n.
Not sure if it’s the same principle, but @chandan988 was setting up a Facebook webhook earlier, perhaps you’ll find this approach helpful: