Here's a link to get this add-on, also shows you how to do the custom domains.
https://seo-michael.co.uk/how-to-manually-install-1channel-add-on-xbmc/
Enjoy and Merry Christmas
https://seo-michael.co.uk/how-to-manually-install-1channel-add-on-xbmc/
Enjoy and Merry Christmas