pasteboard-id
    OpenVMS usage:identifier
    type:         longword (unsigned)
    access:       read only
    mechanism:    by reference
    Specifies the keyboard (associated with the specified pasteboard)
    for which unsolicited input is being disabled. The pasteboard-id
    argument is the address of an unsigned longword that contains the
    pasteboard identifier.
    The pasteboard identifier is returned by SMG$CREATE_PASTEBOARD.