Progress on packaging for macOS

Source/Engine/Platform/Mac/MacPlatformSettings.h

@@ -5,6 +5,7 @@
 #if PLATFORM_MAC || USE_EDITOR
 
 #include "Engine/Core/Config/PlatformSettingsBase.h"
+#include "Engine/Core/Types/String.h"
 
 /// <summary>
 /// Mac platform settings.
@@ -13,6 +14,13 @@ API_CLASS(sealed, Namespace="FlaxEditor.Content.Settings") class FLAXENGINE_API
 {
     DECLARE_SCRIPTING_TYPE_MINIMAL(MacPlatformSettings);
 
+    /// <summary>
+    /// The app identifier (reversed DNS, eg. com.company.product). Custom tokens: ${PROJECT_NAME}, ${COMPANY_NAME}.
+    /// </summary>
+    API_FIELD(Attributes="EditorOrder(0), EditorDisplay(\"General\")")
+    String AppIdentifier = TEXT("com.${COMPANY_NAME}.${PROJECT_NAME}");
+
+public:
     /// <summary>
     /// Gets the instance of the settings asset (default value if missing). Object returned by this method is always loaded with valid data to use.
     /// </summary>
@@ -21,6 +29,7 @@ API_CLASS(sealed, Namespace="FlaxEditor.Content.Settings") class FLAXENGINE_API
     // [SettingsBase]
     void Deserialize(DeserializeStream& stream, ISerializeModifier* modifier) final override
     {
+        DESERIALIZE(AppIdentifier);
     }
 };