What does Element Group button mean in activity diagram?

UML
1

(visual paradigm version 16)
I tried finding it on the internet but to no avail…
The tool-tip says: “Group various member” and it can only be placed outside an activity (although on press, it can be placed in an activity but on hover it shows a no entrance sign).
The element itself allows only text to be added…

2

Hi shalev,

ElementGroup is a stereotype specified in the SysML specification 1.5. Here is the excerpt from the document under section “7.3.2.2 ElementGroup”:

The ElementGroup stereotype provides a lightweight mechanism for grouping various and possibly heterogeneous model elements by extending the capability of comments to refer to multiple annotated elements.

You can find the full description of this stereotype as well as a concrete syntax example from the SysML specification.

Best Regards,

Antony.

3

Thank you so much, and sorry for the late response, I’ve tried it and it works! with the little “…” symbol, and it even counts the number of members connected to the comment.
It’s interesting to see that OMG UML and SysML are included in the diagram tools.

4

Hi shalev,

Yes, it is because SysML’s activity diagram is based on those of UML with some customization, so we added the SysML specific elements/properties directly into the activity diagram instead of creating a separate diagram type for it.

Best Regards,

Antony.