Documentation
According to the SysML 2.0 specification, Documentation is a kind of comment used to document the annotated element. A Documentation comment must be considered as part of the design as it contains documentation about, for example, the behavior of a certain part or a system.
Creating a Documentation annotation
To create a documentation annotation :
1. On the System Structure Diagram toolbar, click the Documentation 
button.
button.2. On the diagram, click on the canvas. This creates a Documentation annotation. You can use the Annotation Link to connect Documentation with the related items on the diagram.
