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Please note : This help page is not for the latest version of Enterprise Architect. The latest help can be found here.

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SysML Model Toolbox

When you are constructing SysML models, you can populate the diagrams with Model, Package and View elements using the icons on the 'SysML Model' pages of the Diagram Toolbox.

The SysML Model toolbox includes a page of SysML Common element and relationship icons. You can add this page to all Diagram Toolboxes so that it is always available regardless of what type of diagram you are using; to do this, set the SysML 1.5 Technology to 'Active' ('Specialize > Technologies > Manage Technology: SysML 1.5 : Set Active' ribbon path).

SysML Model elements toolbox.


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


Design > Diagram > Toolbox

Keyboard Shortcuts


SysML Model Element Objects




Creates a Package containing a SysML Model.

Model Library

Creates a Package containing a SysML Model Library.


Creates a stereotyped Class that defines a SysML View of a system, from the perspective of a SysML View Point.

View Point

Creates a stereotyped Class that defines a SysML View Point, which specifies the rules and conventions for the construction and use of Views.


Creates a stereotyped Class that defines a SysML Stakeholder.


Groups model constructs in a single unit of containment.

SysML Model Relationships




Establishes a conformance dependency of a View to the defining View Point.


Establishes a traceable relationship describing how one element is dependant upon another.


Represents a reuse of elements from one model Package in another.


Graphically displays ownership of one element within a parent one.


Identifies a design fulfillment of a specification between elements.


Represents a refinement of one element by another.


Relates a View to another model element.

SysML Common




Creates a textual annotation that can be attached to a set of elements of any other type.

The attachment is created separately, using a Notelink connector.

Document Artifact

Attaches a Linked Document to the diagram by associating this element with the document.

Element Group

Creates a textual annotation that indicates how many model elements it is attached to.


A stereotyped Comment that documents the failure of model elements to satisfy a requirement.


A stereotyped Comment that documents the justification for decisions.


Defines a conceptual boundary, to visually group logically related elements.

Allocate Partition

A stereotyped Activity Partition that contains elements deemed to be allocated to the classifier of the partition.


Specifies the capabilities of the system, or the conditions that it should satisfy.


A stereotyped Comment that defines the source element being allocated to the target element in an Allocate relationship.


A stereotyped Abstraction that relates model elements to formalize a refinement of behavior, structure, constraints or design expectations.

The Allocate relationship points from the element being allocated to the element that is the target of the allocation.

The system provides an 'Allocations' search that lists all Allocate abstractions in tabular format, showing the 'To' and 'From' elements. Select the 'Explore > Search > Model' ribbon option, then select 'SysML 1.5' as the Search Category; 'Allocations' defaults as the Search Type.

If a SysML Block element has any Allocate relationships to or from elements that are not visible on the same diagram, those elements can be listed in 'AllocatedTo' and 'AllocatedFrom' compartments of the Block element on the diagram. Press Ctrl+Shift+Y to display the 'Compartment Visibility' dialog and select the 'Allocatedto' and/or 'Allocatedfrom' checkboxes.

Alternatively, you can list the hidden elements on a linked Note. Create a Note element on the diagram and link it to the visible Block element with a Notelink connector. Right-click on the connector, select the 'Link this Note to an Element feature' option and, on the 'Link note to element feature' dialog, click on the drop-down arrow on the 'Feature Type' field and select 'AllocatedTo' or 'AllocatedFrom'. Click on the OK button; the names of the linked elements are now displayed in the Notes element. (To show both 'To' and 'From' elements, create a separate Note for each type.)

For either compartments or Notes, you should save the diagram just before setting up the facility, and possibly reload the diagram to activate the facility. If there are no Allocate relationships, or the related elements are on the diagram, the options are not available.


Graphically displays ownership of an element within a parent element.


Establishes a traceable relationship describing how one element is dependant upon another.

Binding Connector

A stereotyped Connector that establishes a connection between two Parts in a system decomposition. If the Parts are different, the system provides an option to synchronize them.

Item Flow

A stereotyped Information Flow that specifies the items that flow across a connector in an interaction point.