A man said to Messenger of Allah ﷺ , "My mother died, will it benefit her if I give in charity on her behalf?" The Prophet ﷺ 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."
لِرَسُولِ اللَّهِ ﷺ إِنَّ أُمَّهُ تُوُفِّيَتْ أَيَنْفَعُهَا إِنْ تَصَدَّقْتُ عَنْهَا قَالَ نَعَمْ قَالَ فَإِنَّ لِي مِخْرَافًا وَأُشْهِدُكَ أَنِّي قَدْ تَصَدَّقْتُ عَنْهَا