Model Parts, Diagrams, Dictionary Items, and Properties > Properties > Variable name (property)
  
Variable name (property)
For automation interface purposes, the Variable Name property is an attribute of the instance symbol.
This property specifies the variable name of an Operation instance on a Sequence Diagram.
By default, the Variable Name box is blank.
On a Sequence Diagram, the Variable Name is shown as follows:
This property is set on the Options tab of the Property Pages for an Operation Instance (message) on a Sequence Diagram. To view an instance's Property Pages, on the diagram, right-click the item, and then click Instance Properties.
The following section provides information about the items and diagrams for which Variable Name is a property. For more information about an item or diagram, click it.
Is property of
Operation Instance (message)