The DHCP_CLASS_INFO_ARRAY_V6 structure contains a list of information regarding a user class or a vendor class.

 typedef struct _DHCP_CLASS_INFO_ARRAY_V6 {
   DWORD NumElements;
   [size_is(NumElements)] LPDHCP_CLASS_INFO_V6 Classes;

NumElements: This is of type DWORD, specifying the number of classes whose information is contained in the array specified by the Classes member.

Classes: A pointer to an array of DHCP_CLASS_INFO_V6 (section structures that contains information regarding the various user classes and vendor classes.