Unbreakable (film series)

The Unbreakable film series, also referred to as the Eastrail 177 Trilogy, is an American thriller, psychological horror, and superhero film series involving the derailment of the fictitious Eastrail #177 train. The films were written, produced, and directed by M. Night Shyamalan. The trilogy consists of Unbreakable (2000), Split (2016), and Glass (2019).

Question: is the movie split part of a trilogy
Answer: yes