Icon class icon_class fas fa-quote-left icon_class_computed fas fa-quote-left Related content ISSUE: SysMLv2.0 spec Annex example and multiple SysMLv2 PILOT GitHub samples: Inconsistent use of subsetted ISQ «attribute» (has multiplicity [*] in Cameo) without explicit multiplicity. According to SysML2.0 spec. rules would inherit multiplicity [*]. 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 1. The usage is an attribute usage, an item usage (including a part usage, except if it is a connection usage), or a port usage. Full quote 2. The usage is owned by a definition or another usage (not a package). Next snippet 3. The usage does not have any explicit owned subsettings or owned redefinitions. IMPORTANT: DO NOT interpret this quote in isolation of the context on p.41 See the related snippets. Related snippets If a multiplicity is not declared for a usage, then the usage inherits the multiplicity constraints of any other usages it subsets or redefines. If no tighter constraint is inherited, the effective default is the most general multiplicity [0..*]. However, a tighter default of [1..1] is implicitly declared for the usage if all of the following conditions hold: Related snippets (backlinks) The default multiplicity of an attribute usage is [1..1], under the conditions described in 7.6.3. Visit also Visit also (backlinks) Flags