diff --git a/include/ntsecapi.h b/include/ntsecapi.h
index 44fa0b5..473da89 100644
--- a/include/ntsecapi.h
+++ b/include/ntsecapi.h
@@ -32,6 +32,22 @@
 	PolicyDnsDomainInformation
 } POLICY_INFORMATION_CLASS, *PPOLICY_INFORMATION_CLASS;
 
+typedef ULONG POLICY_AUDIT_EVENT_OPTIONS, *PPOLICY_AUDIT_EVENT_OPTIONS;
+
+typedef struct
+{
+	BOOLEAN AuditingMode;
+	PPOLICY_AUDIT_EVENT_OPTIONS EventAuditingOptions;
+	ULONG MaximumAuditEventCount;
+} POLICY_AUDIT_EVENTS_INFO, *PPOLICY_AUDIT_EVENTS_INFO;
+
+typedef struct
+{
+    LSA_UNICODE_STRING Name;
+    PSID Sid;
+} POLICY_PRIMARY_DOMAIN_INFO, *PPOLICY_PRIMARY_DOMAIN_INFO;
+
+
 NTSTATUS WINAPI LsaQueryInformationPolicy(LSA_HANDLE,POLICY_INFORMATION_CLASS,PVOID*);
 
 NTSTATUS WINAPI LsaFreeMemory(PVOID);