This document summarizes the key activities and discussions from a workshop on developing VSTEP listening test items in Hanoi, Vietnam in December 2015. It describes four main activities: 1) familiarizing participants with CEFR listening descriptors, 2) defining the test construct, 3) reviewing test specifications, and 4) practicing item writing techniques. It also covers preparing listening texts, working with native speakers, and a hands-on practice session where participants wrote test items using short base texts. Throughout, it emphasizes expert approaches and best practices for writing high-quality listening test items.