According to more correct of two scholarly opinions, the Dua is prescribed in the Witr prayer after the ruku' (bowing). If a calamity (nazilah) befalls the Muslims, it is prescribed to say Dua Qunoot after standing up from ruku' in the last rak'ah of each of the five daily obligatory prayers, until Allah relieves the Muslims of that calamity. Allahumma at'amta wa asqayt, wa aghnayta wa aqnayt, wa hadayta wa ahyayt, fa-laka-l-hamdu ala ma a'tayt. Oh Allah, You have fed and given to drink, You have freed from need, and You have relieved us, guided us, and revived us. So to You be all praise for what You have granted. Yes. Imams Tirmidhi and Abu Dawud (rahimahumallah) have recorded this du'a. Imam Tirmidhi (rahimahullah) has declared the Hadith sound (hasan). Rasulullah (sallallahu 'alayhi wa sallam) said: "…Whomsoever Allah gives milk to drink should say 'Allahumma barik lana wa zidna minhu'" [O Allah, bless us in it and grant us more] (Sunan Dua qunoot, according to the majority of experts, should be performed after bowing or after the Ruku (i.e., after saying Sami Allahu liman hamidah rabbana lakal hamd). After that, you would lift your hands in supplication and say the qunot (prayer). "Allahu akbar," the imam would say after completing his speech, before entering sujud (prayer). .

what to say after allahumma barik