 One of these was written by Je Tsongkhapa on the request of Manjushri (For a discussion and translation of the most important prayers in the Tibetan tradition see Halkias).The Panchen Lamas and Shamarpas are considered to be emanations of Amitābha.He is frequently invoked in Tibet either as Amitābha – especially in the phowa practices or as Amitāyus – especially in practices relating to longevity and preventing an untimely death.