diff --git a/app/AddTunai.php b/app/AddTunai.php
index 2aadf68..635f389 100644
--- a/app/AddTunai.php
+++ b/app/AddTunai.php
@@ -13,7 +13,7 @@ class AddTunai extends Model
      *
      * @var array
      */
-     protected $fillable = ['tarikh','kodcaw','kodlaluan','tambah','kurang','nota'];
+     protected $fillable = ['tarikh','kodcaw','kodlaluan','tambah','kurang','nota','created_at'];
 
      public $timestamps = false;
     /**
diff --git a/app/Http/Controllers/TunaiController.php b/app/Http/Controllers/TunaiController.php
index 904d2ec..aa93a4c 100644
--- a/app/Http/Controllers/TunaiController.php
+++ b/app/Http/Controllers/TunaiController.php
@@ -11,7 +11,7 @@ use App\Denominasi;
 use App\Vault;
 use Illuminate\Http\Request;
 use Carbon\Carbon;
-
+use Illuminate\Support\Facades\Log;
 class TunaiController extends Controller
 {
 
@@ -194,7 +194,28 @@ class TunaiController extends Controller
         $current = new Carbon();
         $cawangan = Cawangan::on('mysql7')->where('kodcaw','=',$kodcaw)->first();
 
+        //Same Note e.g P1 and S1
+        $same_note = AddTunai::on($cawangan['mysql'])
+            ->where('kodlaluan', $request->kodlaluan)
+            ->where('nota',$request->nota)
+            ->where('tarikh',$current->toDateString())->first();
 
+        if($same_note){
+            Log::error('Error: same-note :' . $kodcaw . ': Name :' . $request->kodlaluan);
+            return 'same-note';
+        }
+
+        //Time Interval
+        $latestRecord = AddTunai::on($cawangan['mysql'])->where('kodlaluan', $request->kodlaluan)->latest()->first();
+        if($latestRecord){
+            $time = Carbon::parse($latestRecord->created_at);
+            $time_end = $time->copy()->addMinutes(1);
+          
+            if($current->between($time,$time_end)){
+                Log::error('Error: within 1 minute :' . $kodcaw . ': Name :' . $request->kodlaluan);
+                return 'within 1 minute';
+            }
+        }
 
         $addtunai=AddTunai::on($cawangan['mysql'])->create([
 
@@ -203,7 +224,8 @@ class TunaiController extends Controller
             'kodlaluan'=>$request->kodlaluan,
             'tambah'=>$request->tambah,
             'kurang'=>$request->kurang,
-            'nota'=>$request->nota
+            'nota'=>$request->nota,
+            'created_at'=>$current
         ]);
 
         return response()->json($addtunai,201);
diff --git a/database/migrations/2024_09_02_153041_add_column_timestamp_to_addtunai_table.php b/database/migrations/2024_09_02_153041_add_column_timestamp_to_addtunai_table.php
new file mode 100644
index 0000000..d47036c
--- /dev/null
+++ b/database/migrations/2024_09_02_153041_add_column_timestamp_to_addtunai_table.php
@@ -0,0 +1,73 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Schema;
+
+class AddColumnTimestampToAddtunaiTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+
+    protected $db_connection;
+    public function getActiveDB(){
+        $config_db = array_keys(config("database.connections"));
+
+        $db_connection = array_filter($config_db,function($connection){
+            try{
+                if($connection == 'mysql7')
+                    return false;
+
+                $db = DB::connection($connection)->getPdo();
+                return true;
+            } catch(\Exception $e){
+                return false;
+            }
+        });
+        return $db_connection;
+    }
+
+    public function up()
+    {
+        $this->db_connection = $this->getActiveDB();
+
+        foreach($this->db_connection as $dbase){
+            Schema::connection($dbase)->table('addtunai', function (Blueprint $table) use($dbase) {
+
+                $isCreatedAt = Schema::connection($dbase)->hasColumn('addtunai', 'created_at');
+
+                if (! $isCreatedAt) {
+                    $table->timestamp('created_at');
+                }
+            });
+        }
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        $this->db_connection = $this->getActiveDB();
+
+        foreach($this->db_connection as $dbase){
+            $columns = ['created_at'];
+
+            $columns_exist = array_filter($columns,function($column) use($dbase){
+                return Schema::connection($dbase)->hasColumn('addtunai', $column);
+            });
+
+            Schema::connection($dbase)->table('addtunai', function(Blueprint $table) use($columns_exist){
+                foreach($columns_exist as $column){
+                        $table->dropColumn($column);
+                }
+            });
+        }
+    }
+}