المشهور بين الأصحاب أنها صلاة أمير المؤمنين عليه السلام كما في رواية المفضل.
It is well-known among the companions that it is the prayer of Amir al-Mu'minin (as), as narrated in the tradition of al-Mufaddal.
The Reward of the Prayer Known Among People as the Prayer of Sayyida Fatimah Al-Zahra {s.a}, Also Called the Prayer of the Devout (awabeen)
Man Lā Yaḥḍuruh al-Faqīh|Volume 1|Book 1|Chapter 85
Man Lā Yaḥḍuruh al-Faqīh
Book 1, Chapter 85
The Reward of the Prayer Known Among People as the Prayer of Sayyida Fatimah Al-Zahra {s.a}, Also Called the Prayer of the Devout (awabeen)
3 Aḥadīth1556 - رَوَى عَبْدُ اَللَّهِ بْنُ سِنَانٍ عَنْ أَبِي عَبْدِ اَللَّهِ عَلَيْهِ اَلسَّلاَمُ قَالَ: «مَنْ تَوَضَّأَ فَأَسْبَغَ اَلْوُضُوءَ وَ اِفْتَتَحَ اَلصَّلاَةَ فَصَلَّى أَرْبَعَ رَكَعَاتٍ يَفْصِلُ بَيْنَهُنَّ بِتَسْلِيمَةٍ يَقْرَأُ فِي كُلِّ رَكْعَةٍ فَاتِحَةَ اَلْكِتَابِ مَرَّةً وَ «قُلْ هُوَ اَللّٰهُ أَحَدٌ» خَمْسِينَ مَرَّةً اِنْفَتَلَ حِينَ يَنْفَتِلُ وَ لَيْسَ بَيْنَهُ وَ بَيْنَ اَللَّهِ عَزَّ وَ جَلَّ ذَنْبٌ إِلاَّ غَفَرَ لَهُ.
Hadith.1556 - Abdullah ibn Sinan narrated from Imam Jafar ibn Muhammad Al-Sadiq (as) who said: "Whoever performs ablution and completes it thoroughly, then begins the prayer and prays four units (rak'ahs), separating each two with a taslim (salutation), and recites in each rak'ah the Opening of the Book (Surah al-Fatiha) once and 'Qul Huwa Allahu Ahad' (Surah Al-Ikhlas) fifty times, he will finish his prayer with nothing between him and Allah (swt), the Mighty and Glorious, except that his sins will be forgiven."
1557 - وَ أَمَّا مُحَمَّدُ بْنُ مَسْعُودٍ اَلْعَيَّاشِيُّ رَحِمَهُ اَللَّهُ فَقَدْ رَوَى فِي كِتَابِهِ عَنْ عَبْدِ اَللَّهِ بْنِ مُحَمَّدٍ عَنْ مُحَمَّدِ بْنِ إِسْمَاعِيلَ بْنِ اَلسِّمَاكِ عَنِ اِبْنِ أَبِي عُمَيْرٍ عَنْ هِشَامِ بْنِ سَالِمٍ عَنْ أَبِي عَبْدِ اَللَّهِ عَلَيْهِ اَلسَّلاَمُ قَالَ: «مَنْ صَلَّى أَرْبَعَ رَكَعَاتٍ فَقَرَأَ فِي كُلِّ رَكْعَةٍ بِخَمْسِينَ مَرَّةً «قُلْ هُوَ اَللّٰهُ أَحَدٌ » كَانَتْ صَلاَةَ فَاطِمَةَ عَلَيْهَا اَلسَّلاَمُ وَ هِيَ صَلاَةُ اَلْأَوَّابِينَ.
Hadith.1557 - Muhammad ibn Mas'ud al-Ayyashi, may Allah (swt) have mercy on him, narrated in his book from Abdullah ibn Muhammad, from Muhammad ibn Isma'il ibn al-Samak, from Ibn Abi Umayr, from Hisham ibn Salim, from Imam Jafar ibn Muhammad Al-Sadiq (as) who said: "Whoever prays four rak'ahs (units of prayer) and recites in each rak'ah 'Qul Huwa Allahu Ahad' (Surah Al-Ikhlas) fifty times, it is the Prayer of Sayyida Fatimah Al-Zahra {S.A}, and it is the prayer of those who turn to Allah (swt) in repentance (al-Awwabin)."