4 files changed, 27 insertions, 0 deletions
diff --git a/core/extension/gdnative_interface.cpp b/core/extension/gdnative_interface.cpp
index f0193e24a2..b41f74a4bc 100644
--- a/core/extension/gdnative_interface.cpp
+++ b/core/extension/gdnative_interface.cpp
@@ -1020,6 +1020,8 @@ void gdnative_setup_interface(GDNativeInterface *p_interface) {
 	gdni.classdb_register_extension_class_method = nullptr;
 	gdni.classdb_register_extension_class_integer_constant = nullptr;
 	gdni.classdb_register_extension_class_property = nullptr;
+	gdni.classdb_register_extension_class_property_group = nullptr;
+	gdni.classdb_register_extension_class_property_subgroup = nullptr;
 	gdni.classdb_register_extension_class_signal = nullptr;
 	gdni.classdb_unregister_extension_class = nullptr;
 }
diff --git a/core/extension/gdnative_interface.h b/core/extension/gdnative_interface.h
index 53e7efd278..df735db9b6 100644
--- a/core/extension/gdnative_interface.h
+++ b/core/extension/gdnative_interface.h
@@ -441,6 +441,8 @@ typedef struct {
 	void (*classdb_register_extension_class_method)(const GDNativeExtensionClassLibraryPtr p_library, const char *p_class_name, const GDNativeExtensionClassMethodInfo *p_method_info);
 	void (*classdb_register_extension_class_integer_constant)(const GDNativeExtensionClassLibraryPtr p_library, const char *p_class_name, const char *p_enum_name, const char *p_constant_name, GDNativeInt p_constant_value);
 	void (*classdb_register_extension_class_property)(const GDNativeExtensionClassLibraryPtr p_library, const char *p_class_name, const GDNativePropertyInfo *p_info, const char *p_setter, const char *p_getter);
+	void (*classdb_register_extension_class_property_group)(const GDNativeExtensionClassLibraryPtr p_library, const char *p_class_name, const char *p_group_name, const char *p_prefix);
+	void (*classdb_register_extension_class_property_subgroup)(const GDNativeExtensionClassLibraryPtr p_library, const char *p_class_name, const char *p_subgroup_name, const char *p_prefix);
 	void (*classdb_register_extension_class_signal)(const GDNativeExtensionClassLibraryPtr p_library, const char *p_class_name, const char *p_signal_name, const GDNativePropertyInfo *p_argument_info, GDNativeInt p_argument_count);
 	void (*classdb_unregister_extension_class)(const GDNativeExtensionClassLibraryPtr p_library, const char *p_class_name); /* Unregistering a parent class before a class that inherits it will result in failure. Inheritors must be unregistered first. */
 } GDNativeInterface;
diff --git a/core/extension/native_extension.cpp b/core/extension/native_extension.cpp
index a3cd7ca14c..635e53fa9c 100644
--- a/core/extension/native_extension.cpp
+++ b/core/extension/native_extension.cpp
@@ -184,6 +184,7 @@ void NativeExtension::_register_extension_class_integer_constant(const GDNativeE
 
 	ClassDB::bind_integer_constant(class_name, p_enum_name, p_constant_name, p_constant_value);
 }
+
 void NativeExtension::_register_extension_class_property(const GDNativeExtensionClassLibraryPtr p_library, const char *p_class_name, const GDNativePropertyInfo *p_info, const char *p_setter, const char *p_getter) {
 	NativeExtension *self = (NativeExtension *)p_library;
 
@@ -202,6 +203,24 @@ void NativeExtension::_register_extension_class_property(const GDNativeExtension
 	ClassDB::add_property(class_name, pinfo, p_setter, p_getter);
 }
 
+void NativeExtension::_register_extension_class_property_group(const GDNativeExtensionClassLibraryPtr p_library, const char *p_class_name, const char *p_group_name, const char *p_prefix) {
+	NativeExtension *self = (NativeExtension *)p_library;
+
+	StringName class_name = p_class_name;
+	ERR_FAIL_COND_MSG(!self->extension_classes.has(class_name), "Attempt to register extension class property group '" + String(p_group_name) + "' for unexisting class '" + class_name + "'.");
+
+	ClassDB::add_property_group(class_name, p_group_name, p_prefix);
+}
+
+void NativeExtension::_register_extension_class_property_subgroup(const GDNativeExtensionClassLibraryPtr p_library, const char *p_class_name, const char *p_subgroup_name, const char *p_prefix) {
+	NativeExtension *self = (NativeExtension *)p_library;
+
+	StringName class_name = p_class_name;
+	ERR_FAIL_COND_MSG(!self->extension_classes.has(class_name), "Attempt to register extension class property subgroup '" + String(p_subgroup_name) + "' for unexisting class '" + class_name + "'.");
+
+	ClassDB::add_property_subgroup(class_name, p_subgroup_name, p_prefix);
+}
+
 void NativeExtension::_register_extension_class_signal(const GDNativeExtensionClassLibraryPtr p_library, const char *p_class_name, const char *p_signal_name, const GDNativePropertyInfo *p_argument_info, GDNativeInt p_argument_count) {
 	NativeExtension *self = (NativeExtension *)p_library;
 
@@ -325,6 +344,8 @@ void NativeExtension::initialize_native_extensions() {
 	gdnative_interface.classdb_register_extension_class_method = _register_extension_class_method;
 	gdnative_interface.classdb_register_extension_class_integer_constant = _register_extension_class_integer_constant;
 	gdnative_interface.classdb_register_extension_class_property = _register_extension_class_property;
+	gdnative_interface.classdb_register_extension_class_property_group = _register_extension_class_property_group;
+	gdnative_interface.classdb_register_extension_class_property_subgroup = _register_extension_class_property_subgroup;
 	gdnative_interface.classdb_register_extension_class_signal = _register_extension_class_signal;
 	gdnative_interface.classdb_unregister_extension_class = _unregister_extension_class;
 }
diff --git a/core/extension/native_extension.h b/core/extension/native_extension.h
index 9b1ebe0ed7..52e869ad4d 100644
--- a/core/extension/native_extension.h
+++ b/core/extension/native_extension.h
@@ -50,6 +50,8 @@ class NativeExtension : public Resource {
 	static void _register_extension_class_method(const GDNativeExtensionClassLibraryPtr p_library, const char *p_class_name, const GDNativeExtensionClassMethodInfo *p_method_info);
 	static void _register_extension_class_integer_constant(const GDNativeExtensionClassLibraryPtr p_library, const char *p_class_name, const char *p_enum_name, const char *p_constant_name, GDNativeInt p_constant_value);
 	static void _register_extension_class_property(const GDNativeExtensionClassLibraryPtr p_library, const char *p_class_name, const GDNativePropertyInfo *p_info, const char *p_setter, const char *p_getter);
+	static void _register_extension_class_property_group(const GDNativeExtensionClassLibraryPtr p_library, const char *p_class_name, const char *p_group_name, const char *p_prefix);
+	static void _register_extension_class_property_subgroup(const GDNativeExtensionClassLibraryPtr p_library, const char *p_class_name, const char *p_subgroup_name, const char *p_prefix);
 	static void _register_extension_class_signal(const GDNativeExtensionClassLibraryPtr p_library, const char *p_class_name, const char *p_signal_name, const GDNativePropertyInfo *p_argument_info, GDNativeInt p_argument_count);
 	static void _unregister_extension_class(const GDNativeExtensionClassLibraryPtr p_library, const char *p_class_name);