SysML, or Systems Modeling Language, is a general-purpose modeling language for systems engineering that is used to specify, analyze, design, and verify complex systems. SysML is based on the Unified Modeling Language (UML) and includes extensions and modifications specifically tailored to the needs of systems engineering. SysML provides a standardized way to represent the structure, behavior, and requirements of a system, allowing engineers to model and simulate system architectures, requirements, behaviors, and interactions. It includes features such as blocks, activities, requirements, and parametrics, which allow for a comprehensive and integrated view of the system being developed. Overall, SysML aims to improve communication, collaboration, and understanding among stakeholders in systems engineering projects, ultimately leading to better-designed, more reliable, and more efficient systems. It is widely used in industries such as aerospace, automotive, defense, and telecommunications for the development of complex systems.