convert many to many to one to many

app/Http/Controllers/V3/Dashboard/Mission/ControlUnitController.php

@@ -14,6 +14,7 @@ use App\Services\Cartables\Mission\ControlUnitService;
 use Illuminate\Http\JsonResponse;
 use Illuminate\Http\Request;
 use Illuminate\Support\Facades\DB;
+use Throwable;
 
 class ControlUnitController extends Controller
 {
@@ -24,9 +25,12 @@ class ControlUnitController extends Controller
         return response()->json($controlUnitService->datatable($request));
     }
 
+    /**
+     * @throws Throwable
+     */
     public function start(StartRequest $request, Mission $mission): JsonResponse
     {
-        DB::transaction(function () use ($mission) {
+        DB::transaction(function () use ($mission, $request) {
             $mission->histories()->create([
                 'user_id' => auth()->user()->id,
                 'previous_state_id' => $mission->state_id,
@@ -38,6 +42,7 @@ class ControlUnitController extends Controller
                 'state_id' => $state,
                 'state_name' => MissionStates::name($state),
                 'start_time' => now(),
+                'km' => $request->km,
             ]);
         });