Recent updates to the Xbox One will allow you to now link your Xbox GamerTag to your Discord user account. A perfect merge of services for ESS Discord users as we continue our support of esports on consoles. Our Rainbox 6 Siege League is operated on Xbox One, as well as the upcoming Overwatch Esports Scotland Cup (OESC).
In order to link your accounts you must first open the options panel in your discord app on PC, and under the connections setting you will be able to add multiple accounts, the newest addition being Xbox GamerTag details.
When linking the accounts, you will be taken to your Microsoft account page and asked to give permission to link your Xbox account and Discord accounts. When you open your Xbox settings tab, by visiting your Linked social accounts, the new Discord options shall appear:
You can read the full details about this new feature on the Microsoft website: https://news.xbox.com/en-us/2018/04/24/microsoft-discord-team-connect-gamers-across-xbox-live-discord/