Schema ST4 has been used productively at Pilz GmbH & Co. KG since 2005. What are the important factors when introducing a content management system and developing it further? What are the factors that contribute to the success of this? What pitfalls should be avoided? There are several things that need to be determined and taken into account in addition to bits and bytes when introducing a content management system. And as even the best tool around is no good if it is not used correctly or not used at all, it is important that the technical writers accept the tool, understand it and use it correctly. Several years of experience enable us to highlight three points that have significantly contributed to successful work.