(Abū Dāwūd and Aḥmad with a sound chain) and (he ﷺ used to supplicate with it in his tashahhud) (Muslim and Abū ʿAwānah). and (he used to teach it to the Companions, may Allāh be pleased with them, as he taught them a sūrah from the Quran). Supplication before the salutation and its types