The goal of this bachelor thesis is the analysis of the event planning process and the subsequent creation of an implementation design and model for the implementation of the process into the Czechitas information system. The theoretical part of the work introduces concepts associated with information systems and the topic of process and design modeling. Furthermore, the work contains an introduction to the company, evaluation of the current state of the information system and mapping of key business processes. The company is interested in expanding the information system to support the event planning process, therefore an analysis of the requirements for this expansion and the creation of the design and related models are performed. Requir...