diff --git a/VDSSample/ViewControllers/TiletViewController.swift b/VDSSample/ViewControllers/TiletViewController.swift
index 143094d..8316d3a 100644
--- a/VDSSample/ViewControllers/TiletViewController.swift
+++ b/VDSSample/ViewControllers/TiletViewController.swift
@@ -16,13 +16,13 @@ class TiletViewController: BaseViewController {
     lazy var titleTextStylePickerSelectorView = {
         PickerSelectorView(title: "",
                            picker: self.picker,
-                           items: TiletTitleModel.TextStyle.allCases.sorted{ $0.rawValue < $1.rawValue })
+                           items: Tilet.TitleModel.TextStyle.allCases.sorted{ $0.rawValue < $1.rawValue })
     }()
     
     lazy var otherTextStylePickerSelectorView = {
         PickerSelectorView(title: "",
                            picker: self.picker,
-                           items: TiletSubTitleModel.TextStyle.allCases.sorted{ $0.rawValue < $1.rawValue })
+                           items: Tilet.SubTitleModel.TextStyle.allCases.sorted{ $0.rawValue < $1.rawValue })
     }()
     
     lazy var subtitleColorPickerSelectorView = {
@@ -174,8 +174,8 @@ class TiletViewController: BaseViewController {
     }
         
     func setupModel() {
-        let titleModel = TiletTitleModel(text: "Save $XX on your monthly bill.")
-        let subTitleModel = TiletSubTitleModel(text: "Enroll in Auto Pay & paper-free billing to save on your monthly bill.")
+        let titleModel = Tilet.TitleModel(text: "Save $XX on your monthly bill.")
+        let subTitleModel = Tilet.SubTitleModel(text: "Enroll in Auto Pay & paper-free billing to save on your monthly bill.")
         
         tilet.surface = .light
         tilet.titleModel = titleModel
@@ -194,7 +194,7 @@ class TiletViewController: BaseViewController {
     //sub models
     func setBadgeModel() {
         if let text = badgeTextField.text, !text.isEmpty {
-            tilet.badgeModel = TiletBadgeModel(text: text)
+            tilet.badgeModel = Tilet.BadgeModel(text: text)
         } else {
             tilet.badgeModel = nil
         }
@@ -202,7 +202,7 @@ class TiletViewController: BaseViewController {
     
     func setTitleModel() {
         if let text = titleTextField.text, !text.isEmpty {
-            tilet.titleModel = TiletTitleModel(text: text, textStyle: titleTextStylePickerSelectorView.selectedItem)
+            tilet.titleModel = Tilet.TitleModel(text: text, textStyle: titleTextStylePickerSelectorView.selectedItem)
         } else {
             tilet.titleModel = nil
         }
@@ -210,7 +210,7 @@ class TiletViewController: BaseViewController {
     
     func setSubTitleModel() {
         if let text = subTitleTextField.text, !text.isEmpty {
-            tilet.subTitleModel = TiletSubTitleModel(text: text, textStyle: otherTextStylePickerSelectorView.selectedItem)
+            tilet.subTitleModel = Tilet.SubTitleModel(text: text, textStyle: otherTextStylePickerSelectorView.selectedItem)
         } else {
             tilet.subTitleModel = nil
         }