In the Custom View panel, click Add. The Add Custom View window appears.
Type a name for the new custom view in the Custom View Name field.
In the Custom View Type section:
Select Filter by Device Group to create a custom view that displays only the device groups you specify.
Select View by Category to create a custom view that displays devices according to the categories you specify.
Click OK.
In the Custom View Details section:
In the Available list, select the item you want to include in the custom view, and then click Add to add the item to the list. Repeat this step to add as many items as you want.
Arrange the items in the Selected list in the order you would like each grouping to display in the Nodes tab. Select an item and click the up and down arrow buttons to move the item into the desired sequence.
If you must remove an item from the list, select it and click Remove.
Click Save. A message confirms that the custom view has been added.