Questione giuridica chiave
Whether the subsidiary constitutional complaint was admissible
Decisione estratta
The complaint was admissible because the case was a final cantonal civil judgment with a dispute value below CHF 30,000 and no legal question of fundamental importance.
Motivazione estratta
A civil appeal was excluded under Art. 74 BGG, so the subsidiary constitutional complaint was available under Art. 113 BGG.