[Samba] smb.conf question

[brian_fasteen at peoplesoft.com]

in the smb.conf I have a test share

We have nt users in this group   PSH-DQM
how do I allow all the users in that group to access this test share  ?

[test_share]
        comments = Unix
        path = /products/test11
        writeable = yes
        valid users = bfasteen
        create mode = 0770
        directory mode = 0770
        locking = no


Brian