Operational concurrent state (UPDM - MODAF aliases)
An Operational Concurrent State is a proprietary element that is required to model UPDM in Modeler.
Creation
To create an Operational Concurrent State:
• From an Operational State Description: right-click the Operational State Description, point to New, point to MODAF, and then click Operational Concurrent State.
• From an OV-6b Operational State Transition Description: click the Operational Concurrent State button, and then click in free space on the diagram.
Operational Concurrent State button, and then click in free space on the diagram.To create a new compartment on an Operational Concurrent State:
• From an Operational Concurrent State: right-click the Operational Concurrent State, point to New, point to MODAF, and then click Operational Sequential State.
• From an OV-6b Operational State Transition Description: click the 
Operational Concurrent Compartment button, and then click the Operational Concurrent State.
Operational Concurrent Compartment button, and then click the Operational Concurrent State.Appearance
When shown on an OV-6b Operational State Transition Description, an Operational Concurrent State appears as follows:
Relationships
The following relationships are of importance to an Operational Concurrent State:
• UML Transitions link an Operational Concurrent State to other State Diagram elements (OV-6b Operational State Transition Description).
• Node Operation elements can be invoked by an Operational Concurrent State: right-click the Operational Concurrent State, point to Links, and then click Do Node Operation.
• Operational Activity elements can be invoked by an Operational Concurrent State: right-click the Operational Concurrent State, point to Links, and then click Do Operational Activity.
• Operational State Description elements can be invoked by an Operational Concurrent State: right-click the Operational Concurrent State, point to Links, and then click Do Operational State Description.
• Standard Operational Activity elements can be invoked by an Operational Concurrent State: right-click the Operational Concurrent State, point to Links, and then click Do Standard Operational Activity.
The following sections provide information about how an Operational Concurrent State is used in the model.
Create an Operational Concurrent State from
Create from an Operational Concurrent State
In addition to the UPDM elements that can be created from all UPDM elements (Alias, Definition, Information and Metadata).
Operational Sequential State - as a compartment.Shown on these diagrams, tables and matrices
In addition to the AV-2 Integrated Dictionary and TV-1 Standards Profile, which can show all UPDM elements:
UPDM writeable properties
The following writeable properties are available on the Operational Concurrent State tab of an Operational Concurrent State element's Property Pages:
• URI