I want to use only one <>, within which the Block's Documentation property and the BDD's image is processed alternately. I am trying to collect the Blocks and BDD diagrams at one time in the Viewpoint ...

These types correspond to some traditional SysML diagram types: - Requirement diagram (REQ) - Structure Diagrams - Block Definition Diagram (BDD) - Internal Block Diagram (IBD) - Parametric Diagram ...