Locating the text of the rite of ἀδελφοποίησις?

Greek Koine and Biblical and Medieval Greek
1

Does anybody know of an online location for a text of the mediaeval rite of ἀδελφοποίησις from the Greek Orthodox tradition if it existed there?

2

I am certain it exists in the Greek Orthodox tradition and it has had some popular interest since many mistakenly think it shows same sex unions being blessed in the Church.

It was used to reconcile enemies.

https://orthodoxwiki.org/Adelphopoiesis

3

Boswell’s notorious anachronism.