You can create a tag category and add a new tag in that category.

Verify that you are connected to a vCenter Server system.

1

Create a tag category named Department.

$departmentTagCategory = New-TagCategory -Name 'Department'
2

Create a new tag named SalesDpt in the Department category.

$salesDptTag = New-Tag -Name 'SalesDpt' -Category $departmentTagCategory