If you want to get instant notifications for your "Magic Moments" when leads are on your site, you will need to setup a Slack account first, before you can connect Slack to your website. You can do that HERE. Once that is done, you will create your 'Magic Moments Channel.' More info HERE on how to set that up.
Once that is done:
**Keep in mind that, in order for the Slack notifications to work properly, you will need to ensure that your team's FUB user name(s) match their Slack user name(s). If you make a change, you can reintegrate with the Slack button in the back end of your website to ensure they connect.