Complex sentence: The minhag of the chassidim is to make Kiddush in the Sukkah, but to eat the main meal inside; however, one of Sukkot's liturgical aliases זמן שמחתנו, "Time of Our Happiness," continues to be used to describe Shemini Atzeret in prayers.
Split into simpler sentences: The minhag of the chassidim is to make Kiddush in the Sukkah but to eat the main meal inside. However, one of Sukkot's liturgical aliases זמן שמחתנו, "Time of Our Happiness" continues to be used to describe Shemini Atzeret in prayers.