diff --git a/app/Filament/Resources/Activities/RelationManagers/ParticipantsRelationManager.php b/app/Filament/Resources/Activities/RelationManagers/ParticipantsRelationManager.php
index 7f3c9f0..d8bbd46 100644
--- a/app/Filament/Resources/Activities/RelationManagers/ParticipantsRelationManager.php
+++ b/app/Filament/Resources/Activities/RelationManagers/ParticipantsRelationManager.php
@@ -5,6 +5,7 @@ namespace App\Filament\Resources\Activities\RelationManagers;
 use App\Models\MemberPoint;
 use Filament\Actions\AttachAction;
 use Filament\Actions\BulkActionGroup;
+use Filament\Actions\DetachAction;
 use Filament\Actions\DetachBulkAction;
 use Filament\Actions\EditAction;
 use Filament\Forms\Components\Select;
@@ -63,7 +64,47 @@ class ParticipantsRelationManager extends RelationManager
                         }
                     }),
             ])
-            ->recordActions([EditAction::make()])
-            ->toolbarActions([BulkActionGroup::make([DetachBulkAction::make()])]);
+            ->recordActions([
+                EditAction::make()
+                    ->after(function (EditAction $action, $record, array $data) {
+                        $activity = $this->getOwnerRecord();
+                        $existing = MemberPoint::where('user_id', $record->id)
+                            ->where('source_type', 'activity')
+                            ->where('source_id', $activity->id)
+                            ->first();
+
+                        if (($data['status'] ?? 'hadir') === 'hadir' && ! $existing) {
+                            MemberPoint::create([
+                                'user_id'     => $record->id,
+                                'points'      => 10,
+                                'reason'      => "Hadir di kegiatan: {$activity->title}",
+                                'source_type' => 'activity',
+                                'source_id'   => $activity->id,
+                            ]);
+                        } elseif (($data['status'] ?? 'hadir') !== 'hadir' && $existing) {
+                            $existing->delete();
+                        }
+                    }),
+                DetachAction::make()
+                    ->after(function ($record) {
+                        $activity = $this->getOwnerRecord();
+                        MemberPoint::where('user_id', $record->id)
+                            ->where('source_type', 'activity')
+                            ->where('source_id', $activity->id)
+                            ->delete();
+                    }),
+            ])
+            ->toolbarActions([
+                BulkActionGroup::make([
+                    DetachBulkAction::make()
+                        ->after(function ($records) {
+                            $activity = $this->getOwnerRecord();
+                            MemberPoint::where('source_type', 'activity')
+                                ->where('source_id', $activity->id)
+                                ->whereIn('user_id', $records->pluck('id'))
+                                ->delete();
+                        }),
+                ]),
+            ]);
     }
 }