Wills and Testaments (Wasaayaa)

Bukhari :: Book 4 :: Volume 51 :: Hadith 31

Narrated Ibn Abbas:

A man said to Allah's Apostle , "My mother died, will it benefit her if I give in charity on her behalf?" The Prophet replied in the affirmative. The man said, "I have a garden and I make you a witness that I give it in charity on her behalf."