Share Email Facebook Twitter LinkedIn MateConstraint.OccurrenceOne Property Parent Object: MateConstraint Description Property that returns the first of the two objects this constraint is between. Syntax MateConstraint.OccurrenceOne() As ComponentOccurrence Property Value This is a read only property whose value is a ComponentOccurrence. Version Introduced in version 4 © Copyright 2025 Autodesk, Inc. Comment on this page.