 He also reminded them that it was not appropriate that episcopal retinue include birds and hunting dogs.The agenda laid out in "Vineam domini Sabaoth" included reform of the Church, the stamping out of heresy, establishing peace and liberty, and calling for a new crusade.During this council, the doctrine of transubstantiation—a doctrine which describes the method by which the bread and wine offered in the sacrament of the Eucharist becomes the actual blood and body of Christ—was infallibly defined.