SysML, UAF, UML, and UPDM Profiles > SysML profile > Blocks > Block definition diagrams > Creating a block definition diagram (SysML) > Opening a block definition diagram (SysML)
  
Opening a block definition diagram (SysML)
1. In an appropriate pane, locate the Block Definition Diagram you want to open.
On the Blocks pane, all Block Definition Diagrams are listed in the BlockDefinitionDiagram folder.
2. Right-click the Block Definition Diagram you want to open, and then click Open.
Alternatively, double-click the Block Definition Diagram you want to open.