Jami` at-Tirmidhi 3842
جامع الترمذي#3842Sahihحَدَّثَنَا مُحَمَّدُ بْنُ يَحْيَى، قَالَ حَدَّثَنَا أَبُو مُسْهِرٍ عَبْدُ الأَعْلَى بْنُ مُسْهِرٍ، عَنْ سَعِيدِ بْنِ عَبْدِ الْعَزِيزِ، عَنْ رَبِيعَةَ بْنِ يَزِيدَ، عَنْ عَبْدِ الرَّحْمَنِ بْنِ أَبِي عَمِيرَةَ، وَكَانَ، مِنْ أَصْحَابِ رَسُولِ اللَّهِ صلى الله عليه وسلم عَنِ النَّبِيِّ صلى الله عليه وسلم أَنَّهُ قَالَ لِمُعَاوِيَةَ " اللَّهُمَّ اجْعَلْهُ هَادِيًا مَهْدِيًّا وَاهْدِ بِهِ " . قَالَ أَبُو عِيسَى هَذَا حَدِيثٌ حَسَنٌ غَرِيبٌ .
Narrated 'Abdur-Rahman bin Abu 'Umairah - and he was one of the Companions of the Messenger of Allah (ﷺ):from the Prophet (ﷺ), that he said to Mu'awiyah: "O Allah, make him a guiding one, and guide (others) by him
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
In-book reference: 49:242