The Alter Rebbe and his Shulchan Aruch, was also written to bring the Halacha to the people. Page 28-9.

In conjunction with his 200th Yahrtzeit on 24 Teves 5773/2013 these classes were given on the hakdamos of three of his Sefarim. The Siddur. The Alter Rebbe’s Siddur, a clear author and purpose, to be ‘the thirteenth gate’. Reb Avrohom Dovid Lavut’s introduction (the Maggid’s Torah) and the joining of 1) Kabbalah, 2) Halacha, and…