Salam  It is Wajib to recite Whaliyat in Namaz and the Prophet ((صلى الله عليه وآله وسلم)) AND  Imams ((صلى الله عليه وآله وسلم)) have recited  the whliyat in namaz.  Many Mullas and the Hadith have allowed.  Here is a list of  books that allowed and murjas who have allowed aswell onto the evidence of the imam's  reciting the Shadat e Salsa. The evidence of hadith and the many quotes from the Imams ((صلى الله عليه وآله وسلم)) from many of the biggest books in shia islam. HISTORY OF SHA