This is, among others, an example of a "written prayer," a "form" as it were--something frequently abhorred in the enthusiasts' culture. Of note, Solomon knelt to pray and offered a theologically rich prayer.
See the footnote in the 1599 Geneva Bible, 1 Kings 8.1-2.
1 Kings 8.1-2
1 Then King Solomon assembled the Elders of Israel, even all the heads of the tribes, the chief fathers of the children of Israel unto [a]him in Jerusalem, for to [b]bring up the Ark of the covenant of the Lord from the city of David, which is Zion.
2 And all the men of Israel assembled unto King Solomon at the feast in the month of [c]Ethanim, which is the seventh month.
a. 1 Kings 8:1 Hebrew, Solomon.
b. 1 Kings 8:1 For David brought it from Obed-edom, and placed it in the Tabernacle which he had made for it, 2 Sam. 6:17.
c. 1 Kings 8:2 Containing part of September and part of October in the which month they held three solemn feasts, Num. 29:1.