Indicates that the behavior creates values.
Indicates objects that are values of the parameter do not exist after executions of the behavior are finished.
Indicates objects that are values of the parameter have values of their properties, or links in which they participate, or their classifiers retrieved during executions of the behavior.
Indicates objects that are values of the parameter have values of their properties, or links in which they participate, or their classification changed during executions of the behavior.