Notes on and introduction to Meʿirat ʾEnayim (Gaster Hebrew MS 1468) (late 19th - early 20th century) - Page 24

And they hinted and mentioned that which was printed in the prayer book Machzor festival prayer book of the Pious one, Rabbi Abraham Halevi
(in the order of welcoming the Sabbath) called "Instruction on the Three Joys" (recorded in manuscript)
by several sages, and among them the terrible, holy, and pious kabbalists, etc., Rabbi Solomon Alkabetz
of blessed memory, who composed "Lecha Dodi" Come, My Beloved, and these holy men have
an enormous influence and great importance, which was printed in it as mentioned above, and from there [one should] ascend the names. Therefore, they almost wanted and wanted lest he escape, and they sent the booklet in his hand and gave it,
and the students and the honored ones mentioned above said to him, and said this, etc., this, etc. (they did not know that it had been before them), but
he grew and sanctified these terrible names in it, where part of the Zohar was printed by the known righteous one, and there are these [names] because of this,
and if so, according to this, it is a small heart of the aforementioned names and it is his name, and why did they wonder, etc.