In the “Add Schedule” screen in the “Type” dropdown there is a “Campaign” field which I believe should be “Players Group”, since the term Campaign is no longer used in the Xibo menu.
Ah I see now, I was looking for ‘Players Group’. There does seem to be a mixture of the use ‘Campanha’ and ‘Grupo de Layout’ which have been previously contributed by users.
Anyone can sign up for a Launchpad account to make adjustments / contributions, the above link is for 2.3 translations which will be pulled through to the next release.