Jami` at-Tirmidhi, Volume 3, Book 20, Hadith 1626 (DarusSalam) ⓘ
Narrated 'Adi bin Hatim At-Tai: That he asked the Messenger of Allah, "Which charity is most virtuous?" He said, "The service of a worshipper in the cause of Allah, or providing the shade of tent, or mount in the cause of Allah." [Abu 'Eisa said:] This Hadith has been reported from Mu'awiyah bin Salih in Mursal form.And Zaid has been contradicted concerning part of its chain. He said: And Al-Walim bin Jamil has reported this Hadith from Al-Qasim Abu 'Abdur-Rahman, from Abu Umamah, from the Prophet.
حَدَّثَنَا مُحَمَّدُ بْنُ رَافِعٍ، حَدَّثَنَا زَيْدُ بْنُ حُبَابٍ، حَدَّثَنَا مُعَاوِيَةُ بْنُ صَالِحٍ، عَنْ كَثِيرِ بْنِ الْحَارِثِ، عَنِ الْقَاسِمِ أَبِي عَبْدِ الرَّحْمَنِ، عَنْ عَدِيِّ بْنِ حَاتِمٍ الطَّائِيِّ، أَنَّهُ سَأَلَ رَسُولَ اللَّهِ صلى الله عليه وسلم أَىُّ الصَّدَقَةِ أَفْضَلُ قَالَ " خِدْمَةُ عَبْدٍ فِي سَبِيلِ اللَّهِ أَوْ ظِلُّ فُسْطَاطٍ أَوْ طَرُوقَةُ فَحْلٍ فِي سَبِيلِ اللَّهِ " . قَالَ أَبُو عِيسَى وَقَدْ رُوِيَ عَنْ مُعَاوِيَةَ بْنِ صَالِحٍ هَذَا الْحَدِيثُ مُرْسَلاً وَخُولِفَ زَيْدٌ فِي بَعْضِ إِسْنَادِهِ . قَالَ وَرَوَى الْوَلِيدُ بْنُ جَمِيلٍ هَذَا الْحَدِيثَ عَنِ الْقَاسِمِ أَبِي عَبْدِ الرَّحْمَنِ عَنْ أَبِي أُمَامَةَ عَنِ النَّبِيِّ صلى الله عليه وسلم .
also referenced under: Hadith 1626 (Reference) & Book 22, Hadith 8 (In-Book)