It wasnarrated from Umm Salamah from the Prophet (ﷺ) regarding:
"Andthat they will not disobey you in Ma'ruf (all that is good inIslam);" he said: "(It is about) wailing." (DE)
English reference (DE): Vol. 1, Book 6, Hadith 1579 (DE)
Arabic reference (DE): Book 6, Hadith 1646 (DE)