The success of the Learning Design field to help teachers and instructional designers to create technology enhanced collaborative learning activities depends largely on its ability to offer eLearning professionals well-adapted tools. A number of approaches are coming to maturity in this field however, the associated authoring tools are still too difficult for instructional designers to manipulate. This paper presents an authoring tool designed in order to simplify the task of the instructional designers, who are confronted with the design of particular scenarios that are frequently used by teachers, and which are here called Pedagogical Procedures.