Click View tab Palettes panel Sheet Set Manager.Find
In the Sheet Set Manager, Sheet Views tab, click the View by Category button.
Right-click the sheet set node (at the top of the list). Click New View Category.
In the View Category dialog box, under Category Name, enter the name of the new view category.
If a list of blocks is displayed, select the callout blocks to be used for the views in this view category. You can add blocks to the list by clicking the Add Blocks button.
Note: To remove a view category, first remove or relocate any views it contains, then right-click the view category and choose Remove Category.