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The SAMPR_USER_GENERAL_INFORMATION structure contains user fields.

 typedef struct _SAMPR_USER_GENERAL_INFORMATION {
   RPC_UNICODE_STRING UserName;
   RPC_UNICODE_STRING FullName;
   unsigned long PrimaryGroupId;
   RPC_UNICODE_STRING AdminComment;
   RPC_UNICODE_STRING UserComment;
 } SAMPR_USER_GENERAL_INFORMATION,
  *PSAMPR_USER_GENERAL_INFORMATION;

For information on each field, see section 2.2.6.1.