Then the king called together all the elders of Judah and Jerusalem.
He went up to the temple of the LORD with the people of Judah, the inhabitants of Jerusalem, the priests and the Levites—all the people from the least to the greatest. He read in their hearing all the words of the Book of the Covenant, which had been found in the temple of the LORD.
References for 2 Chronicles 34:30
The king stood by his pillar and renewed the covenant in the presence of the LORD—to follow the LORD and keep his commands, statutes and decrees with all his heart and all his soul, and to obey the words of the covenant written in this book.
References for 2 Chronicles 34:31
Then he had everyone in Jerusalem and Benjamin pledge themselves to it; the people of Jerusalem did this in accordance with the covenant of God, the God of their ancestors.
Josiah removed all the detestable idols from all the territory belonging to the Israelites, and he had all who were present in Israel serve the LORD their God. As long as he lived, they did not fail to follow the LORD, the God of their ancestors.
References for 2 Chronicles 34:33