In the case of the profile diagram, profile definitions can be captured on a package diagram and the parametric diagram. Source OMG Systems Modeling Language (SysML) 1.6
SysML does not use all of the UML diagram types such as the object diagram, communication diagram, interaction overview diagram, timing diagram, deployment diagram, and profile diagram. Source OMG Systems Modeling Language (SysML) 1.6
On Communication Diagrams, the Messages are decorated by a small arrow in the direction of the Message close to the Message name and sequence number along the line between the lifelines ... Source OMG Systems Modeling Language (SysML) 1.6