Showing and hiding compartments on a block definition diagram (SysML)
You can hide and show compartments for items and callout notes on a Block Definition Diagram.
Empty compartments are not shown on the diagram.
To show or hide an item 's or callout 's compartments:
1. Right-click the item, and then click Show/Hide Compartments.
2. In the dialog, select the check boxes associated with the compartments you want to show.
3. Clear the check boxes associated with the compartments you want to hide.
4. Click OK.