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 2. The usage is owned by a definition or another usage (not a package). Full quote 3. The usage does not have any explicit owned subsettings or owned redefinitions. Next snippet 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: 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. 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