What is The Prediction as defined by the Mahayana tradition? Please see this section taken from the wiki page titled Boddhisattva which might help you answer the question:

...what early Mahayana sutras like the Aṣṭa do is to help individuals
determine if they have already received a prediction in a past life,
or if they are close to this point. The Aṣṭa provides a variety of
methods, including forms of ritual or divination, methods dealing with
dreams and various tests, especially tests based on one's reaction to
the hearing of the content in the Aṣṭasāhasrikā itself. The text
states that encountering and accepting its teachings mean one is close
to being given a prediction and that if one does not &quot;shrink back,
cower or despair&quot; from the text, but &quot;firmly believes it&quot;, one is
irreversible. Many other Mahayana sutras such as the Akṣobhyavyūha and
the Śūraṃgamasamādhi Sūtra present textual approaches to determine
one's status as an advanced bodhisattva. These mainly consist in one's
attitude towards listening to, believing, preaching, proclaiming,
copying or memorizing and reciting the sutra. According to Drewes,
this claim that merely having faith in Mahāyāna sūtras meant that one
was an advanced bodhisattva, was a departure from previous Nikaya
views about bodhisattvas. It created new groups of Buddhists who
accepted each other's bodhisattva status.

Also, is the Śūraṃgamasamādhi Sūtra the same as Leng Yen Ching? And, is there an English translation of the Akṣobhyavyūha sutra?
A &quot;prediction&quot; is a statement made by an enlightened person, originally a previous Buddha, or, in Mahayana tradition, an enlightened master, that guarantees its object eventual attainment of enlightenment in a subsequent existence.