SysML, UAF, UML, and UPDM Profiles > SysML profile > Blocks > Internal block diagrams > Creating an internal block diagram (SysML) > Creating an internal block diagram (SysML)
  
Creating an internal block diagram (SysML)
1. Right-click the Block that is to own the Internal Block Diagram, point to New, point to SysML, and then click Internal Block Diagram.
2. Type the name of the Internal Block Diagram, and then press the Enter key.