Identifying, understanding and developing a suitable IT solution that fits business domain is the aim of any enterprise approaching digital transformation. Activities an enterprise performs can be viewed as a sequence of events and responses to them.Event-driven solutions have emerged to emphasize event-driven architecture and management as one of the aspects of the enterprise to capture events and respond accordingly by triggering other events. However, to propose conforming solution is not a trivial task and understanding a problem domain first is important. To understand the problem domain, we consider formalism of Topological Functioning Model which analyses an enterprise from computation independent viewpoint and holistically represents both structural and functional aspects of an enterprise. By using case study approach the paper discusses how using Topological Functioning Model can contribute to obtaining an event-driven solution which conforms with the problem domain of an enterprise and thus fosters its digitalization processes.