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  1. OMG Issue

SYSML21 — ViewUsage:ownedRequirements: Attribute does not exist

Open Closed All
  • Key: SYSML21-683
  • Status: open  
  • Source: UNICOM Systems ( Mark Gregory)
  • Summary:

    deriveViewUsageSatisfiedViewpoint

    The satisfiedViewpoints of a ViewUsage are its ownedRequirements that are composite
    ViewpointUsages

    satisfiedViewpoint = ownedRequirement->
    selectByKind(ViewpointUsage)->
    select(isComposite)

    ownedRequirement is defined under Definition on page 263, the derivation defined on page 266.
    nestedRequirement is defined on page 271, the derivation defined on page 275 under the comment 'The ownedRequirements of a Usage are all its ownedUsages that are RequirementUsages.'
  • Reported: SysML 2.0 — Fri, 18 Sep 2026 10:58 GMT
  • Updated: Mon, 28 Sep 2026 18:37 GMT