Paris Saint-Germain secured a domestic treble when overcoming stubborn Les Herbiers 2-0 within the French final.Unai mineral fielded his strongest aspect and watched Kylian Mbappe and Giovani Lo Celso - double - hit the post before the latter finally created a 26th-minute breakthrough at the Stade Diamond State France.But the heavyweights were created to figure for glory by the third-tier aspect and had to attend till the 74th minute once Edinson Cavani created positive of a record-extending twelfth French Cup title from the penalty spot.