diff --git a/app/Http/Controllers/PlantController.php b/app/Http/Controllers/PlantController.php
index f4175bda..740167ba 100644
--- a/app/Http/Controllers/PlantController.php
+++ b/app/Http/Controllers/PlantController.php
@@ -3,6 +3,7 @@
 namespace App\Http\Controllers;
 
 use App\Models\Item;
+use App\Models\Line;
 use App\Models\Plant;
 use Illuminate\Http\Request;
 
@@ -129,6 +130,124 @@ class PlantController extends Controller
         ], 200);
     }
 
+    public function getItemLine(Request $request){
+        $expectedUser = env('API_AUTH_USER');
+        $expectedPw = env('API_AUTH_PW');
+        $header_auth = $request->header('Authorization');
+        $expectedToken = $expectedUser.':'.$expectedPw;
+
+        if ('Bearer '.$expectedToken != $header_auth) {
+            return response()->json([
+                'status_code' => 'ERROR',
+                'status_description' => 'Invalid authorization token!',
+            ], 403);
+        }
+
+        $plantCode = $request->header('plant-code');
+
+        $lineName = $request->header('line-name');
+
+        $itemCode = $request->header('item-code');
+
+        if (! $plantCode) {
+            return response()->json([
+                'status_code' => 'ERROR',
+                'status_description' => "Plant Code value can't be empty",
+            ], 404);
+        } 
+        elseif (! $lineName) {
+            return response()->json([
+                'status_code' => 'ERROR',
+                'status_description' => 'Line Name cannot be empty!',
+            ], 404);
+        } elseif (! $itemCode) {
+            return response()->json([
+                'status_code' => 'ERROR',
+                'status_description' => 'Item code cannot be empty!',
+            ], 404);
+        }
+
+        $plant = Plant::where('code', $plantCode)->first();
+        $plantId = $plant->id;
+
+        if (! $plant) {
+            return response()->json([
+                'status_code' => 'ERROR',
+                'status_description' => "Plant Code '{$plantCode}' not found!",
+            ], 404);
+        }
+
+        $itemCodeExist = Item::where('code', $itemCode)->first();
+
+        if (! $itemCodeExist) {
+            return response()->json([
+                'status_code' => 'ERROR',
+                'status_description' => 'Item code not found',
+            ], 404);
+        }
+
+        $itemCodePlantExist = Item::where('code', $itemCode)->where('plant_id', $plantId)->first();
+
+        if (! $itemCodePlantExist) {
+            return response()->json([
+                'status_code' => 'ERROR',
+                'status_description' => "Item code not found against plant code '$plantCode'",
+            ], 404);
+        }
+
+        $lineNameExist = Line::where('name', $lineName)->first();
+
+        if (! $lineNameExist) {
+            return response()->json([
+                'status_code' => 'ERROR',
+                'status_description' => "Line Name '$lineName' not found",
+            ], 404);
+        }
+
+        $lineNamePlantExist = Line::where('plant_id', $plantId)->where('name', $lineName)->first();
+
+        if (! $lineNamePlantExist) {
+            return response()->json([
+                'status_code' => 'ERROR',
+                'status_description' => "Line Name '$lineName' not found against plant code '$plantCode'",
+            ], 404);
+        }
+
+        $itemCodeLineExist = Item::where('code', $itemCode)
+            ->where('plant_id', $plantId)
+            ->whereNotNull('line_id')
+            ->where('line_id', '!=', $lineNamePlantExist->id)
+            ->first();
+
+        if ($itemCodeLineExist) {
+
+            $mappedLine = Line::find($itemCodeLineExist->line_id);
+
+            return response()->json([
+                'status_code' => 'ERROR',
+                'status_description' => "Item code '$itemCode' is already mapped to line '{$mappedLine->name}'",
+            ], 404);
+        }
+
+        $itemCodeLineMapped = Item::where('code', $itemCode)
+            ->where('plant_id', $plantId)
+            ->where('line_id', $lineNamePlantExist->id)
+            ->first();
+
+        if (! $itemCodeLineMapped) {
+            return response()->json([
+                'status_code' => 'ERROR',
+                'status_description' => 'Not Ok'
+            ], 200);
+        }
+        else{
+            return response()->json([
+                'status_code' => 'SUCCESS',
+                'status_description' => 'Ok',
+            ], 200);
+        }
+    }
+
     /**
      * Update the specified resource in storage.
      */