Event (UML)

In UML (Unified Modeling Language), an **Event** is a significant occurrence that can trigger a change in state or behavior within a system. Events play a crucial role in modeling the dynamic aspects of a system, particularly in the context of state machines and interactions. There are several types of events in UML: 1. **Signal Events**: These are instances where a signal is sent from one object to another, which can lead to a response or state change in the receiving object.