Select the user or endpoint, and then right-click or click
Assign/Remove Custom Tags to select a tag (or more
than one tags) from the dialog. Alternatively, you can create a new tag and
assign the new tag to selected users/endpoints.
Use Ctrl + Click to select multiple
In the Assign/Remove Custom Tags dialog, select the
desired tag(s) from the list, and then click Save.
Verify that certain users or endpoints are associated with a tag. Select a tag from
the Customs Tags list, and then ensure that the user or endpoint
you have just associated is listed.