Model Parts, Diagrams, Dictionary Items, and Properties > Properties > Synchronization (property)
  
Synchronization (property)
For automation interface information about the Synchronization property, see the automation interface topic for the owning item type in the Related Topics.
This property specifies the Synchronization of an Event or Operation:
Asynchronous —Specifies that the Event is Asynchronous.
Call (synchronous) —Specifies that the Event yields control during the event.
Timed (synchronous) —Specifies that the Event must be consumed within a specific period.
Waiting (synchronous) —Specifies that the sender waits for the event to be consumed.
Balking (synchronous) —Specifies that if the receiver is not willing to consume the event, the Event returns control to the sender.
By default, the Asynchronous option is selected.
On diagrams, the synchronization of an Event message is shown as follows:
On diagrams, the synchronization of an Operation message is shown as follows:
This property is set on the Sync tab of an Event's Property Pages, and on the Timing tab of an Operation's Property Pages.
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If you select the UML\Events folder in the Dictionary pane, the Contents pane allows you to view the Synchronization values of all Events in the model.
The following section provides information about the items and diagrams for which Synchronization is a property. For more information about an item or diagram, click it.
Is property of
Event
Operation