The Append activity within Number Gallery Tutorial HOWTO: Send and receive a Signal via Ports in SysML and Cameo Simulation Toolkit Section Slide kind SysML Activity Diagram
Association and Property - some cases Gallery Tutorial TRAIL: Webel's ultimate guide to Systems Modeling Language (v1) with MagicDraw/Cameo Section 01:02: UML 101 for model-based systems engineering with SysML Slide kind UML Class Diagram
Note that “unlimited” denotes the lack of a limit on the value of some element (such as a multiplicity upper bound), not a value of “infinity.” Source Unified Modeling Language 2.5.1
A LiteralUnlimitedNatural is shown either as a sequence of digits or as an asterisk (*), where an asterisk denotes unlimited. Source Unified Modeling Language 2.5.1
A LiteralUnlimitedNatural specifies a constant value of the PrimitiveType UnlimitedNatural. Source Unified Modeling Language 2.5.1
HOWTO set a ValueSpecificationAction to use the * LiteralUnlimitedNatural to drive an 'insertAt' InputPin on an AddStructuralFeatureValueAction in Cameo Simulation Toolkit and Cameo Systems Modeler