The document outlines a training event held in Madrid from December 12-16, 2016, focused on designing sustainable MOOCs in Europe as part of the SCORE2020 project. This project aims to support the establishment of regional centers for the development and use of MOOCs and open education, facilitating knowledge exchange among partner countries. It details definitions and characteristics of MOOCs, online courses, and open educational resources (OER), emphasizing accessibility, scalability, and the principles of openness in education.