اَللَّهُمَّ إِنِّي أَسْأَلُكَ الْجَنَّةَ وَمَا قَرَّبَ إِلَيْهَا مِنْ قَوْلٍ أَوْ عَمَلٍ، وَأَعُوذُ بِكَ مِنَ النَّارِ وَمَا قَرَّبَ إِلَيْهَا مِنْ قَوْلٍ أَوْ عَمَلٍ
Transliteration
Allahumma inni as'alukal-jannata wa ma qarraba ilayha min qawlin aw 'amalin, wa a'udhu bika minan-nari wa ma qarraba ilayha min qawlin aw 'amal
English meaning
O Allah, I ask You for Paradise and whatever brings me closer to it of words or deeds; and I seek refuge in You from the Fire and whatever brings me closer to it of words or deeds.
When is it recited?
Most comprehensive supplication for the Hereafter.
Source
Ibn Majah, Du'a 4