Chapter: It is recommended to recite statements of remembrance after the prayer, and how that is to be done
Abu Zubair reported: Abdullah b Zubair used to say La ilaha il-Allah at the end of every prayer like the hadith narrated by Ibn Numair and he reported it in the end, and then reported Ibn Zubair saying: The Messenger of Allah ( صلی اللہ علیہ وسلم ) uttered La ilaha il-Allah at the end of every prayer.
Authentic