UML Sequence Diagrams Copyright (c) 2006-2010 MindTouch Inc. This extension creates UML sequence diagrams using the free service at http://www.websequencediagrams.com/. http://developer.mindtouch.com/App_Catalog/UML_Sequence_Diagrams umlsequence diagram Embed UML sequence diagram. UML sequence diagram description style for UML sequence diagram (one of 'default', 'earth', 'modern-blue', 'mscgen', 'omegapple', 'qsd', 'rose', 'roundgreen', or 'napkin'; default: 'default')