Icon class icon_class fas fa-quote-left icon_class_computed fas fa-quote-left Related content Variability Examples: VehicleVariabilityModel.sysml: (1) packages and members overview Variability Examples: VehicleVariabilityModel.sysml: (2) 150% Model relational view Variability Examples: VehicleVariabilityModel.sysml: (3) 100% Model relational view Source OMG Systems Modeling Language TM (SysML®) Version 2.0 formal/2025-09-03 (Sep 2025) Copyright information About Object Management Group copyright in text extracts quoted from OMG specifications for educational purposes Snippet kind INFO Previous snippet All usages declared within the body of a variation definition or usage are declared as variant usages by placing the keyword variant at the beginning of their declarations. Variant usages may only be declared within a variation. Full quote The kind of a variant usage must be consistent with the kind of its owning variation. Next snippet Related snippets A definition or usage is specified as a variation by placing the keyword variation before its kind keyword. A variation is always abstract, so the abstract keyword is not used on a variation. Related snippets (backlinks) Visit also Visit also (backlinks) Flags