It is traditionally said to be a revelation of three different Tibetan masters: siddha Ngöndrup, Nyangrel Nyima Özer, and Śākya Ö.
[1] The work focuses on the compassionate bodhisattva Avalokiteśvara which is promoted here as the patron deity of Tibet.
[2] In the Maṇi Kambum, Songtsen Gampo is said to be an emanation of Avalokiteśvara who arrived in Tibet in order to spread the Buddha's Dharma.
[1] The Maṇi Kambum is a very important work for the culture and history of Tibetan Buddhism as well as Tibet in general.
The text is connected with the rise in popularity of Avalokiteśvara devotion in Tibet from the 12th to the 14th century.