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Kāraṇḍavyūhasūtra
The Kāraṇḍavyūha Sūtra (Tibetan: ['phags pa] za ma tog bkod pa zhes bya ba theg pa chen po'i mdo; Chinese: 佛說大乘莊嚴寶王經, Taishō Tripiṭaka 1050) is a Mahayana sūtra which extols the virtues and powers of Avalokiteśvara, and is particularly notable for introducing the mantra Om mani padme hum into the sūtra tradition.