Link a new combined fragment to a lifeline
You can attach a new combined fragment directly to a lifeline.
Procedure. Procedure
In the Symbols bar, click the combined fragment. Alternatively, select the dashed line of the lifeline to display the mini toolbar, and click the combined fragment.
Drag the mouse pointer to the position of the dashed line at which you want to place the combined fragment.
Release the mouse button to drop the new combined fragment.
The combined fragment is linked to the lifeline. The implicit coveredBy relationships are created. At the upper edges of the combined fragments, the links are visualized by small squares representing the anchor points.