Published in Bologna in 1540, the Kimcha D’avshuna commentary on the Haggadah was written by Rabbi Yochanan ben Yosef Treves. This commentary focuses on explaining the halakhic way to conduct a seder. Rabbi Treves answers questions of Jewish practice surrounding the seder which reflects the nature of the community of his time. Some of his questions include: What happens in a home if no one present knows how to conduct a seder? Can one person in the community go from house to house to recite the Haggadah for households unable to do it for themselves? How should that person act in each house? Does he say the berakhot over again? Does he eat?