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SysML Interaction Toolbox

When you are constructing SysML models, you can populate the Interaction and Sequence diagrams using the icons on the SysML Interaction pages of the Diagram Toolbox.

SysML interaction diagram toolbox.

Access

On the Diagram Toolbox, click on Search to display the 'Find Toolbox Item' dialog and specify 'SysML n.n Interaction' (whichever version you are using).

Ribbon

Design > Diagram > Toolbox

Keyboard Shortcuts

Alt+5

SysML Interaction Objects

Item

Action

Interaction

Defines a SysML Block of executable behavior as a UML Interaction.

Sequence

References an instance of a SysML Block as a Lifeline in the Interaction.

Fragment

Declares a portion of an interaction as a group with specific behavior semantics.

Endpoint

Creates an entry or exit point for the Interaction.

Diagram Gate

Creates an endpoint for the interaction, which bridges between nested interactions.

State/Continuation

Constrains the Interaction with assertions of the state that the lifeline is expected to be in.

SysML Interaction Relationships

Item

Action

Message

Describes a message exchange between two lifelines in an Interaction.

Self-Message

Describes a message exchange between a lifeline and itself in an Interaction.

Recursion

Describes a recursive message exchange between a lifeline and itself in an Interaction.

Call from Recursion

Describes a message exchange between two lifelines within a recursive exchange.