2CH 31:2

2 And Chizkiyahu (Yechizkiyahu) appointed the machlekot of the Kohanim and the Levi'im after their divisions, every ish according to his avodas service, the Kohanim and Levi'im for olah and for shelamim, to minister, to give thanks, to praise in the Sh'arei Machanot Hashem.