You shall present the Levites before the Tent of Meeting (tabernacle), and you shall also assemble the whole congregation of the children of Israel,
Then they appointed the priests to their divisions and the Levites in their orders for the service of God at Jerusalem, as it is written in the book of Moses.
Then you shall bring Aaron and his sons to the doorway of the Tent of Meeting and wash them with water. [John 17:17-19]
and assemble the entire congregation at the doorway of the Tent of Meeting.”