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
If the upperBound evaluates to *, then there is no limit on the number of tokens the ObjectNode may hold. Source Unified Modeling Language 2.5.1
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 value of unlimited (“*”) for the insertion point means to insert the new value at the end of the sequence. Source Unified Modeling Language 2.5.1