diff --git a/modules/openapi-generator/src/main/resources/cpp-ue4/helpers-header.mustache b/modules/openapi-generator/src/main/resources/cpp-ue4/helpers-header.mustache
index eb178e890af..67d60535987 100644
--- a/modules/openapi-generator/src/main/resources/cpp-ue4/helpers-header.mustache
+++ b/modules/openapi-generator/src/main/resources/cpp-ue4/helpers-header.mustache
@@ -105,6 +105,11 @@ inline FStringFormatArg ToStringFormatArg(const FDateTime& Value)
 	return FStringFormatArg(Value.ToIso8601());
 }
 
+inline FStringFormatArg ToStringFormatArg(const FGuid& Value)
+{
+	return FStringFormatArg(Value.ToString(EGuidFormats::DigitsWithHyphens));
+}
+
 inline FStringFormatArg ToStringFormatArg(const TArray<uint8>& Value)
 {
 	return FStringFormatArg(Base64UrlEncode(Value));
@@ -220,6 +225,11 @@ inline void WriteJsonValue(JsonWriter& Writer, const FDateTime& Value)
 	Writer->WriteValue(Value.ToIso8601());
 }
 
+inline void WriteJsonValue(JsonWriter& Writer, const FGuid& Value)
+{
+	Writer->WriteValue(Value.ToString(EGuidFormats::DigitsWithHyphens));
+}
+
 inline void WriteJsonValue(JsonWriter& Writer, const Model& Value)
 {
 	Value.WriteJson(Writer);
@@ -281,6 +291,17 @@ inline bool TryGetJsonValue(const TSharedPtr<FJsonValue>& JsonValue, FDateTime&
 		return false;
 }
 
+inline bool TryGetJsonValue(const TSharedPtr<FJsonValue>& JsonValue, FGuid& Value)
+{
+	FString TmpValue;
+	if (JsonValue->TryGetString(TmpValue))
+	{
+		return FGuid::Parse(TmpValue, Value);
+	}
+	else
+		return false;
+}
+
 inline bool TryGetJsonValue(const TSharedPtr<FJsonValue>& JsonValue, bool& Value)
 {
 	bool TmpValue;