diff --git a/ios/RNIModalSheetView/RNIModalSheetBottomAttachedOverlayController.swift b/ios/RNIModalSheetView/RNIModalSheetBottomAttachedOverlayController.swift
index f6023c8..541dc98 100644
--- a/ios/RNIModalSheetView/RNIModalSheetBottomAttachedOverlayController.swift
+++ b/ios/RNIModalSheetView/RNIModalSheetBottomAttachedOverlayController.swift
@@ -9,29 +9,82 @@ import UIKit
 import DGSwiftUtilities
 import react_native_ios_utilities
 
-
 public class RNIModalSheetBottomAttachedOverlayController:
   ModalSheetBottomAttachedOverlayController {
   
+  public var reactParentView: RNIContentViewParentDelegate?;
+  
   public override func setupContent() {
     defer {
       super.setupContent();
     };
     
-    // MARK: TODO TEMP!
-    self.contentController = DummyContentController();
-    self.view.backgroundColor = .red;
+    guard let reactParentView = self.reactParentView else {
+      return;
+    };
+    
+    let childVC = RNIContentViewController();
+    self.contentController = childVC;
+    
+    childVC.reactContentParentView = reactParentView;
+    childVC.contentSizingMode = .sizingHeightFromReactAndWidthFromNative;
+    
+    //self.contentController = DummyContentController();
+    
   };
 };
 
-// MARK: TODO - TEMP!
+// MARK: - RNIContentViewController+RNIViewLifecycle
+// -------------------------------------------------
+
+extension RNIContentViewController: RNIViewLifecycle {
+  
+  public func notifyOnUpdateLayoutMetrics(
+    sender: RNIContentViewParentDelegate,
+    oldLayoutMetrics: RNILayoutMetrics,
+    newLayoutMetrics: RNILayoutMetrics
+  ) {
+    
+    guard self.contentSizingMode.isSizingWidthOrHeightFromReact else {
+      return;
+    };
+    
+    self.view.setNeedsLayout();
+    
+    return;
+    self.view.updateConstraints()
+    self.reactContentParentView?.invalidateIntrinsicContentSize();
+    
+    print(
+      "RNIContentViewController.\(#function)",
+      "\n - reactContentParentView.intrinsicContentSize", self.reactContentParentView?.intrinsicContentSize.debugDescription ?? "N/A",
+      "\n - reactContentParentView.intrinsicContentSize", self.reactContentParentView?.intrinsicContentSizeOverride.debugDescription ?? "N/A",
+      "\n - arg oldLayoutMetrics.frame", oldLayoutMetrics.frame.size.debugDescription,
+      "\n - arg oldLayoutMetrics.contentFrame", oldLayoutMetrics.contentFrame.size,
+      "\n - arg newLayoutMetrics", newLayoutMetrics.frame.size.debugDescription,
+      "\n - arg newLayoutMetrics.contentFrame", oldLayoutMetrics.contentFrame.size,
+      "\n"
+    );
+  }
+};
+
+
+
+
 public class DummyContentController: UIViewController {
   public override func viewDidLoad() {
     self.view.backgroundColor = .blue;
     
+    let size = self.view.bounds.size;
+    
     self.view.translatesAutoresizingMaskIntoConstraints = false;
     NSLayoutConstraint.activate([
       self.view.heightAnchor.constraint(equalToConstant: 100),
     ]);
   };
+  
+  public override func viewWillLayoutSubviews() {
+    let size = self.view.bounds.size;
+    print(size);
+  }
 };
diff --git a/ios/RNIModalSheetView/RNIModalSheetViewDelegate.swift b/ios/RNIModalSheetView/RNIModalSheetViewDelegate.swift
index 0c7fc5d..4b47047 100644
--- a/ios/RNIModalSheetView/RNIModalSheetViewDelegate.swift
+++ b/ios/RNIModalSheetView/RNIModalSheetViewDelegate.swift
@@ -120,18 +120,14 @@ public final class RNIModalSheetViewDelegate: UIView, RNIContentView {
     modalVC.modalLifecycleEventDelegates.add(self);
     modalVC.sheetPresentationStateMachine.eventDelegates.add(self);
     modalVC.modalFocusEventDelegates.add(self);
-    
-    // TODO: TEMP!!
-    let childVC = RNIModalSheetBottomAttachedOverlayController();
-    modalVC.bottomOverlayController = childVC;
-    
-    // if let sheetBottomAttachedOverlayParentView = self.sheetBottomAttachedOverlayParentView {
-    //   let childVC = RNIModalSheetBottomAttachedOverlayController();
-    //   self.sheetBottomAttachedOverlayController = childVC;
-    //   modalVC.bottomAttachedOverlayController = childVC;
-    //
-    //   childVC.mainContentView = sheetBottomAttachedOverlayParentView;
-    // };
+        
+    if let sheetBottomAttachedOverlayParentView = self.sheetBottomAttachedOverlayParentView {
+      let childVC = RNIModalSheetBottomAttachedOverlayController();
+      self.sheetBottomAttachedOverlayController = childVC;
+      modalVC.bottomOverlayController = childVC;
+      
+      childVC.reactParentView = sheetBottomAttachedOverlayParentView;
+    };
     
     return modalVC;
   };
diff --git a/ios/Temp/RNIContentViewController.swift b/ios/Temp/RNIContentViewController.swift
new file mode 100644
index 0000000..e81fa4b
--- /dev/null
+++ b/ios/Temp/RNIContentViewController.swift
@@ -0,0 +1,113 @@
+//
+//  RNIContentViewController.swift
+//  react-native-ios-modal
+//
+//  Created by Dominic Go on 10/7/24.
+//
+
+import UIKit
+import DGSwiftUtilities
+import react_native_ios_utilities
+
+
+public class RNIContentViewController: UIViewController {
+
+  public typealias ContentSizingMode = RNIContentSizingMode;
+  public typealias ContentPositioningMode = RNIContentPositioningMode;
+  
+  // MARK: - Properties
+  // ------------------
+  
+  public var contentSizingMode: ContentSizingMode = .sizingFromNative;
+  public var contentPositioningMode: ContentPositioningMode = .stretch;
+  
+  public var nativeViewHeightConstraint: NSLayoutConstraint?;
+  public var nativeViewWidthConstraint: NSLayoutConstraint?;
+  
+  public var reactContentParentView: RNIContentViewParentDelegate?;
+  
+  // MARK: - View Controller Lifecycle
+  // ---------------------------------
+  
+  public override func loadView() {
+    super.loadView();
+  };
+  
+  public override func viewDidLoad() {
+    guard let reactContentParentView = self.reactContentParentView else {
+      return;
+    };
+
+    reactContentParentView.reactViewLifecycleDelegates.add(self);
+    
+    reactContentParentView.translatesAutoresizingMaskIntoConstraints = false;
+    self.view.addSubview(reactContentParentView);
+    
+    let constraints = self.contentPositioningMode.createConstraints(
+      forView: reactContentParentView,
+      attachingTo: self.view
+    );
+    
+    // self.nativeViewHeightConstraint = self.view.heightAnchor.constraint(
+    //   equalToConstant: reactContentParentView.cachedLayoutMetrics?.frame.height ?? 0
+    // );
+    
+
+    
+    // constraints.append(
+    //   self.view.heightAnchor.constraint(
+    //     equalTo: reactContentParentView.heightAnchor
+    //   )
+    // );
+    //
+    // let constraints = [
+    //   reactContentParentView.leadingAnchor.constraint(
+    //     equalTo: self.view.leadingAnchor
+    //   ),
+    //   reactContentParentView.trailingAnchor.constraint(
+    //     equalTo: self.view.trailingAnchor
+    //   ),
+    //   reactContentParentView.bottomAnchor.constraint(
+    //     equalTo: self.view.bottomAnchor
+    //   ),
+    //   self.view.heightAnchor.constraint(
+    //     equalTo: reactContentParentView.heightAnchor
+    //   ),
+    // ];
+    
+    
+    
+    // self.view.backgroundColor = .red;
+    
+    
+
+    NSLayoutConstraint.activate(constraints);
+    
+    // MARK: Set Initial Size
+    let newSize = self.view.bounds.size;
+    let hasValidSize = !newSize.isZero;
+    
+    if hasValidSize {
+      self.contentSizingMode.updateReactSizeIfNeeded(
+        forReactParent: reactContentParentView,
+        withNewSize: newSize
+      );
+    };
+  };
+
+  public override func viewWillLayoutSubviews() {
+    self.updateSizeIfNeeded();
+  };
+  
+  public func updateSizeIfNeeded(){
+    guard let reactContentParentView = self.reactContentParentView else {
+      return;
+    };
+    
+    let newSize = self.view.bounds.size;
+    self.contentSizingMode.updateReactSizeIfNeeded(
+      forReactParent: reactContentParentView,
+      withNewSize: newSize
+    );
+  };
+};