Model Parts, Diagrams, Dictionary Items, and Properties > Properties > Mechanism (property)
  
Mechanism (property)
For automation interface information about the Mechanism property, see the automation interface topic for a Parameter in the Related Topics.
This property specifies whether the Mechanism for passing a Parameter is 'In', 'Out', or 'In and Out':
In - Specifies that the parameter is passed by value.
Out - Specifies that the parameter is passed by reference.
In and Out - Specifies that the parameter is passed by reference.
By default, the In option is selected.
This property is set on the Options tab of a Parameter's Property Pages.
You can also set the Mechanism of a Parameter through its signature. For more information, see Using a parameter signature to specify properties.
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If you select the UML\Parameters folder in the Dictionary pane, the Contents pane shows the Mechanism of each Parameter in the model.
The following section provides information about the items and diagrams for which Mechanism is a property. For more information about an item or diagram, click it.
Is property of
Parameter