It wasnarrated from 'Ali that the Messenger of Allah (ﷺ) said:
"Whoeverwashes a deceased person, shrouds him, embalms him, carrieshim andoffers the funeral prayer for him, and does not disclose whathe hasseen, he will emerge from his sins as on the day his motherborehim." (IT)
English reference (IT): Vol. 1, Book 6, Hadith 1462 (IT)
Arabic reference (IT): Book 6, Hadith 1529 (IT)