diff --git a/.env.example b/.env.example
deleted file mode 100644
index b6d758a..0000000
--- a/.env.example
+++ /dev/null
@@ -1,2 +0,0 @@
-BASE_URL_DEV = <your url>
-BASE_URL_PROD = ""
\ No newline at end of file
diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..385f27a
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,3 @@
+{
+  "java.configuration.updateBuildConfiguration": "interactive"
+}
diff --git a/android/app/build.gradle b/android/app/build.gradle
index 69f8d85..6a6d7bd 100644
--- a/android/app/build.gradle
+++ b/android/app/build.gradle
@@ -8,7 +8,7 @@ if (localPropertiesFile.exists()) {
 
 def flutterRoot = localProperties.getProperty('flutter.sdk')
 if (flutterRoot == null) {
-    throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
+    throw  GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
 }
 
 def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
diff --git a/lib/app_wrapper.dart b/lib/app_wrapper.dart
index 9a1f9f4..a6945fe 100644
--- a/lib/app_wrapper.dart
+++ b/lib/app_wrapper.dart
@@ -122,7 +122,7 @@ A new version of this app available on the store, please update into the newer v
                   Text(
                     'by RISTEK Fasilkom UI',
                     style: FontTheme.poppins14w500white(),
-                  )
+                  ),
                 ],
               ),
             ),
diff --git a/lib/features/home/presentation/pages/_pages.dart b/lib/features/home/presentation/pages/_pages.dart
index 5df60b9..24cb8f2 100644
--- a/lib/features/home/presentation/pages/_pages.dart
+++ b/lib/features/home/presentation/pages/_pages.dart
@@ -15,6 +15,7 @@ import 'package:ulaskelas/features/home/presentation/widgets/_widgets.dart';
 import 'package:ulaskelas/features/matkul/form/domain/entities/query_review.dart';
 import 'package:ulaskelas/features/matkul/search/presentation/widgets/_widgets.dart';
 import 'package:ulaskelas/features/matkul/search/presentation/widgets/skeleton_card_course.dart';
+import 'package:ulaskelas/services/_services.dart';
 
 part 'home_daftar_matkul_page.dart';
 part 'home_daftar_ulasan_page.dart';
diff --git a/lib/features/home/presentation/pages/home_daftar_ulasan_page.dart b/lib/features/home/presentation/pages/home_daftar_ulasan_page.dart
index 0edbbcd..0220023 100644
--- a/lib/features/home/presentation/pages/home_daftar_ulasan_page.dart
+++ b/lib/features/home/presentation/pages/home_daftar_ulasan_page.dart
@@ -75,6 +75,7 @@ class _HomeDaftarUlasanPageState extends BaseStateful<HomeDaftarUlasanPage> {
                     review.course!,
                     review.courseCode!,
                   );
+                  MixpanelService.track('view_my_review');
                 },
               );
             },
diff --git a/lib/features/home/presentation/pages/home_page.dart b/lib/features/home/presentation/pages/home_page.dart
index 92f13a6..55fd5df 100644
--- a/lib/features/home/presentation/pages/home_page.dart
+++ b/lib/features/home/presentation/pages/home_page.dart
@@ -110,7 +110,7 @@ class _HomePageState extends BaseStateful<HomePage> {
                           Text(
                             'Lihat Semua Mata Kuliah',
                             style: FontTheme.poppins14w400purple(),
-                          )
+                          ),
                         ],
                       ),
                       Icon(
@@ -141,7 +141,7 @@ class _HomePageState extends BaseStateful<HomePage> {
                         'Lihat Semua',
                         style: FontTheme.poppins13w400purple(),
                       ),
-                    )
+                    ),
                   ],
                 ),
               ),
@@ -219,12 +219,16 @@ class _HomePageState extends BaseStateful<HomePage> {
                       style: FontTheme.poppins14w700black(),
                     ),
                     InkWell(
-                      onTap: () => nav.goToHomeDaftarUlasan(),
+                      onTap: () {
+                        nav.goToHomeDaftarUlasan();
+
+                        MixpanelService.track('view_all_reviews');
+                      },
                       child: Text(
                         'Lihat Semua',
                         style: FontTheme.poppins13w400purple(),
                       ),
-                    )
+                    ),
                   ],
                 ),
               ),
@@ -260,10 +264,14 @@ class _HomePageState extends BaseStateful<HomePage> {
                     final review = data.summaries[i];
                     return CardMatkulReview(
                       review: review,
-                      onTap: () => nav.goToDetailMatkulPage(
-                        review.course!,
-                        review.courseCode.toString(),
-                      ),
+                      onTap: () {
+                        nav.goToDetailMatkulPage(
+                          review.course!,
+                          review.courseCode.toString(),
+                        );
+
+                        MixpanelService.track('view_my_review');
+                      },
                     );
                   },
                 );
diff --git a/lib/features/home/presentation/widgets/card_matkul_review.dart b/lib/features/home/presentation/widgets/card_matkul_review.dart
index 1621114..df5db8d 100644
--- a/lib/features/home/presentation/widgets/card_matkul_review.dart
+++ b/lib/features/home/presentation/widgets/card_matkul_review.dart
@@ -109,11 +109,11 @@ class CardMatkulReview extends StatelessWidget {
                           : (review.hateSpeechStatus == 'WAITING')
                               ? TagStatus.pending
                               : TagStatus.rejected,
-                    )
+                    ),
                   ],
-                )
+                ),
               ],
-            )
+            ),
           ],
         ),
       ),
diff --git a/lib/features/kalkulator/presentation/pages/edit_komponen_page.dart b/lib/features/kalkulator/presentation/pages/edit_komponen_page.dart
index f1f41a8..5f36c69 100644
--- a/lib/features/kalkulator/presentation/pages/edit_komponen_page.dart
+++ b/lib/features/kalkulator/presentation/pages/edit_komponen_page.dart
@@ -107,7 +107,7 @@ class _EditComponentPageState extends BaseStateful<EditComponentPage> {
               await onSubmitCallBack(context);
             },
           ),
-        )
+        ),
       ],
     );
   }
diff --git a/lib/features/kalkulator/presentation/widgets/card_component.dart b/lib/features/kalkulator/presentation/widgets/card_component.dart
index 8634819..5e93c6c 100644
--- a/lib/features/kalkulator/presentation/widgets/card_component.dart
+++ b/lib/features/kalkulator/presentation/widgets/card_component.dart
@@ -59,7 +59,7 @@ class CardCompononent extends StatelessWidget {
                   style: FontTheme.poppins12w400black(),
                   textAlign: TextAlign.right,
                 ),
-              )
+              ),
             ],
           ),
         ),
diff --git a/lib/features/kalkulator/presentation/widgets/simpan_button.dart b/lib/features/kalkulator/presentation/widgets/simpan_button.dart
index 20271e2..ff631d9 100644
--- a/lib/features/kalkulator/presentation/widgets/simpan_button.dart
+++ b/lib/features/kalkulator/presentation/widgets/simpan_button.dart
@@ -21,7 +21,7 @@ class SimpanButton extends StatelessWidget {
             color: Color.fromRGBO(0, 0, 0, 0.05),
             blurRadius: 4,
             offset: Offset(0, -2),
-          )
+          ),
         ],
       ),
       child: AutoLayoutButton(
diff --git a/lib/features/leaderboard/presentation/widgets/leaderboard_tag.dart b/lib/features/leaderboard/presentation/widgets/leaderboard_tag.dart
index 1cb5cbf..c5af972 100644
--- a/lib/features/leaderboard/presentation/widgets/leaderboard_tag.dart
+++ b/lib/features/leaderboard/presentation/widgets/leaderboard_tag.dart
@@ -56,7 +56,7 @@ class TagLeaderboard extends StatelessWidget {
       return [
         BaseColors.purpleHearth,
         BaseColors.purpleHearth,
-        BaseColors.white
+        BaseColors.white,
       ];
     }else if(rank == 1){
       return [
diff --git a/lib/features/leaderboard/presentation/widgets/skeleton_card_leaderboard.dart b/lib/features/leaderboard/presentation/widgets/skeleton_card_leaderboard.dart
index d033d27..5de05e4 100644
--- a/lib/features/leaderboard/presentation/widgets/skeleton_card_leaderboard.dart
+++ b/lib/features/leaderboard/presentation/widgets/skeleton_card_leaderboard.dart
@@ -42,7 +42,7 @@ class SkeletonCardLeaderboard extends StatelessWidget {
                             ),
                           ),
                         ),
-                      )
+                      ),
                   ],
                 ),
                 title: Container(
diff --git a/lib/features/matkul/detail/presentation/pages/all_review_matkul_page.dart b/lib/features/matkul/detail/presentation/pages/all_review_matkul_page.dart
index fae547a..fdeb6af 100644
--- a/lib/features/matkul/detail/presentation/pages/all_review_matkul_page.dart
+++ b/lib/features/matkul/detail/presentation/pages/all_review_matkul_page.dart
@@ -133,7 +133,7 @@ class _AllReviewMatkulPageState extends BaseStateful<AllReviewMatkulPage> {
                           size: 28,
                         ),
                       ),
-                    )
+                    ),
                   ],
                 );
               },
@@ -149,7 +149,7 @@ class _AllReviewMatkulPageState extends BaseStateful<AllReviewMatkulPage> {
                 color: Color.fromRGBO(0, 0, 0, 0.05),
                 blurRadius: 4,
                 offset: Offset(0, -2),
-              )
+              ),
             ],
           ),
           child: TulisUlasanButton(
@@ -161,7 +161,7 @@ class _AllReviewMatkulPageState extends BaseStateful<AllReviewMatkulPage> {
               }
             },
           ),
-        )
+        ),
       ],
     );
   }
diff --git a/lib/features/matkul/detail/presentation/pages/detail_matkul_page.dart b/lib/features/matkul/detail/presentation/pages/detail_matkul_page.dart
index 2f7d42e..3cffc58 100644
--- a/lib/features/matkul/detail/presentation/pages/detail_matkul_page.dart
+++ b/lib/features/matkul/detail/presentation/pages/detail_matkul_page.dart
@@ -260,7 +260,7 @@ class _DetailMatkulPageState extends BaseStateful<DetailMatkulPage> {
                 '${course.reviewCount} Ulasan',
                 style: FontTheme.poppins12w400black(),
               ),
-            )
+            ),
           ],
         ),
         const WidthSpace(32),
@@ -349,7 +349,7 @@ class _DetailMatkulPageState extends BaseStateful<DetailMatkulPage> {
                         );
                       }
                     },
-                  )
+                  ),
                 ],
               );
             }
diff --git a/lib/features/matkul/detail/presentation/pages/review_matkul_page.dart b/lib/features/matkul/detail/presentation/pages/review_matkul_page.dart
index 87d243a..2e79f87 100644
--- a/lib/features/matkul/detail/presentation/pages/review_matkul_page.dart
+++ b/lib/features/matkul/detail/presentation/pages/review_matkul_page.dart
@@ -37,7 +37,7 @@ class _ReviewMatkulPageState extends BaseStateful<ReviewMatkulPage> {
       children: [
         TulisUlasanButton(
           onTap: () {},
-        )
+        ),
       ],
     );
   }
diff --git a/lib/features/matkul/detail/presentation/widgets/review_card.dart b/lib/features/matkul/detail/presentation/widgets/review_card.dart
index 8a078bd..a8ff4d2 100644
--- a/lib/features/matkul/detail/presentation/widgets/review_card.dart
+++ b/lib/features/matkul/detail/presentation/widgets/review_card.dart
@@ -176,9 +176,9 @@ class ReviewCard extends StatelessWidget {
                       // color: likesCountColor,
                       ),
                 ),
-              )
+              ),
             ],
-          )
+          ),
         ],
       ),
     );
diff --git a/lib/features/matkul/form/presentation/pages/add_review_matkul_tag_page.dart b/lib/features/matkul/form/presentation/pages/add_review_matkul_tag_page.dart
index 2d24f6b..9d8209f 100644
--- a/lib/features/matkul/form/presentation/pages/add_review_matkul_tag_page.dart
+++ b/lib/features/matkul/form/presentation/pages/add_review_matkul_tag_page.dart
@@ -105,7 +105,7 @@ Pilih maksimal 3 kategori yang menurutmu dapat\nmerepresentasikan mata kuliah in
               },
             ),
           ),
-        )
+        ),
       ],
     );
   }
diff --git a/lib/features/matkul/form/presentation/pages/success_form_page.dart b/lib/features/matkul/form/presentation/pages/success_form_page.dart
index d4aeb0f..ea636ba 100644
--- a/lib/features/matkul/form/presentation/pages/success_form_page.dart
+++ b/lib/features/matkul/form/presentation/pages/success_form_page.dart
@@ -53,7 +53,7 @@ class _SuccessFormPageState extends BaseStateful<SuccessFormPage> {
               onPressed: () {
                 nav.pop();
               },
-            )
+            ),
           ],
         ),
       ),
diff --git a/lib/features/matkul/search/presentation/pages/_pages.dart b/lib/features/matkul/search/presentation/pages/_pages.dart
index 1679527..f995f12 100644
--- a/lib/features/matkul/search/presentation/pages/_pages.dart
+++ b/lib/features/matkul/search/presentation/pages/_pages.dart
@@ -11,6 +11,7 @@ import 'package:ulaskelas/core/theme/_theme.dart';
 import 'package:ulaskelas/features/matkul/main/domain/entities/query_search_course.dart';
 import 'package:ulaskelas/features/matkul/search/presentation/states/_states.dart';
 import 'package:ulaskelas/features/matkul/search/presentation/widgets/_widgets.dart';
+import 'package:ulaskelas/services/_services.dart';
 
 part 'filter_page.dart';
 part 'search_course_page.dart';
diff --git a/lib/features/matkul/search/presentation/pages/filter_page.dart b/lib/features/matkul/search/presentation/pages/filter_page.dart
index 8ae1db8..70081d7 100644
--- a/lib/features/matkul/search/presentation/pages/filter_page.dart
+++ b/lib/features/matkul/search/presentation/pages/filter_page.dart
@@ -158,10 +158,19 @@ class _FilterPageState extends BaseStateful<FilterPage> {
                   text: 'Terapkan Filter',
                   onTap: () {
                     nav.pop<bool>(true);
+                    MixpanelService.track(
+                      'apply_course_filter',
+                      params: {
+                        'jenis_matkul': filterRM.state.selectedType.toString(),
+                        'jumlah_sks': filterRM.state.selectedSks.toString(),
+                        'semester_wajib_ambil':
+                            filterRM.state.selectedSemester.toString(),
+                      },
+                    );
                   },
                 ),
               ),
-            )
+            ),
           ],
         );
       },
diff --git a/lib/features/matkul/search/presentation/pages/search_course_page.dart b/lib/features/matkul/search/presentation/pages/search_course_page.dart
index 4b9f101..6bee178 100644
--- a/lib/features/matkul/search/presentation/pages/search_course_page.dart
+++ b/lib/features/matkul/search/presentation/pages/search_course_page.dart
@@ -80,6 +80,12 @@ class _SearchCoursePageState
                   },
                   onFieldSubmitted: (val) {
                     searchCourseRM.state.addToHistory(val);
+                    MixpanelService.track(
+                      'search_course',
+                      params: {
+                        'query': val,
+                      },
+                    );
                   },
                   onChange: onQueryChanged,
                 ),
diff --git a/lib/features/matkul/search/presentation/widgets/_widgets.dart b/lib/features/matkul/search/presentation/widgets/_widgets.dart
index 0997690..390b99b 100644
--- a/lib/features/matkul/search/presentation/widgets/_widgets.dart
+++ b/lib/features/matkul/search/presentation/widgets/_widgets.dart
@@ -9,6 +9,7 @@ import 'package:ulaskelas/core/theme/_theme.dart';
 import 'package:ulaskelas/features/matkul/search/data/models/_models.dart';
 import 'package:ulaskelas/features/matkul/search/presentation/states/_states.dart';
 import 'package:ulaskelas/features/matkul/search/presentation/widgets/skeleton_card_course.dart';
+import 'package:ulaskelas/services/_services.dart';
 
 part 'base_app_bar.dart';
 part 'card_course.dart';
diff --git a/lib/features/matkul/search/presentation/widgets/search_list_view.dart b/lib/features/matkul/search/presentation/widgets/search_list_view.dart
index ffc6ef3..e4e0a91 100644
--- a/lib/features/matkul/search/presentation/widgets/search_list_view.dart
+++ b/lib/features/matkul/search/presentation/widgets/search_list_view.dart
@@ -41,9 +41,12 @@ class SearchListView extends StatelessWidget {
                       text: 'Filter',
                       onPressed: () async {
                         await nav.goToFilterPage();
+
                         if (filterRM.state.hasFilter) {
                           await refreshIndicatorKey.currentState?.show();
                         }
+
+                        MixpanelService.track('open_course_filter');
                       },
                     );
                   },
diff --git a/lib/features/profile/presentation/pages/profile_page.dart b/lib/features/profile/presentation/pages/profile_page.dart
index d8bdfca..4356971 100644
--- a/lib/features/profile/presentation/pages/profile_page.dart
+++ b/lib/features/profile/presentation/pages/profile_page.dart
@@ -8,6 +8,7 @@ import 'package:ulaskelas/core/bases/states/_states.dart';
 import 'package:ulaskelas/core/theme/_theme.dart';
 import 'package:ulaskelas/features/matkul/search/presentation/widgets/_widgets.dart';
 import 'package:ulaskelas/features/profile/presentation/widgets/profile_data.dart';
+import 'package:ulaskelas/services/_services.dart';
 
 class ProfilePage extends StatefulWidget {
   const ProfilePage({
@@ -94,6 +95,7 @@ class _ProfilePageState extends BaseStateful<ProfilePage> {
             child: InkWell(
               onTap: () {
                 nav.goToHomeDaftarUlasan();
+                MixpanelService.track('view_all_reviews');
               },
               child: Text(
                 'Riwayat Ulasan',
diff --git a/lib/features/profile/presentation/widgets/profile_data.dart b/lib/features/profile/presentation/widgets/profile_data.dart
index 0cb25e0..55b3d79 100644
--- a/lib/features/profile/presentation/widgets/profile_data.dart
+++ b/lib/features/profile/presentation/widgets/profile_data.dart
@@ -26,7 +26,7 @@ class ProfileData extends StatelessWidget {
               data,
               style: FontTheme.poppins12w400black(),
             ),
-          )
+          ),
         ],
       ),
     );
diff --git a/lib/features/sso/presentation/pages/sso_web_page.dart b/lib/features/sso/presentation/pages/sso_web_page.dart
index cb2b4e0..50bfb1f 100644
--- a/lib/features/sso/presentation/pages/sso_web_page.dart
+++ b/lib/features/sso/presentation/pages/sso_web_page.dart
@@ -60,7 +60,7 @@ class _SSOWebPageState extends BaseStateful<SSOWebPage> {
             }
             return const SizedBox.shrink();
           },
-        )
+        ),
       ],
     );
   }
diff --git a/lib/services/mixpanel_service.dart b/lib/services/mixpanel_service.dart
index 3b39be8..dae4b68 100644
--- a/lib/services/mixpanel_service.dart
+++ b/lib/services/mixpanel_service.dart
@@ -20,9 +20,11 @@ class MixpanelService {
 
   static void track(String eventName, {Map<String, String>? params}) {
     _mixpanel!.track(eventName, properties: params);
-    Logger().i('''
+    Logger().i(
+      '''
       Track Events: $eventName,
       Parameters: $params
-      ''');
+      '''
+    );
   }
 }
diff --git a/lib/services/pref_service.dart b/lib/services/pref_service.dart
index fa77d75..013db9b 100644
--- a/lib/services/pref_service.dart
+++ b/lib/services/pref_service.dart
@@ -59,7 +59,7 @@ class Pref {
     final token = getString(PreferencesKeys.ulasKelasCred);
     return <String, String>{
       'Authorization': 'Token $token',
-      'Content-Type': 'application/json'
+      'Content-Type': 'application/json',
     };
   }
 }