The Objects > VLAN Objects page provides options for creating or editing VLAN objects.
The VLAN Objects tab displays the list of VLAN objects.
You should apply the VLAN Object to the Tagged/Untagged list in the Port Policy > VLAN tab.
The table has the following columns
ID
Color
Name
Network
IGMP
The toolbar above the table has the option to Add, Delete VLAN Objects and also to Refresh in the table.
For adding a new VLAN refer Add VLAN Objects