MultipleSheets import validation message

app/Abstracts/ImportMultipleSheets.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace App\Abstracts;
+
+use Illuminate\Contracts\Queue\ShouldQueue;
+use Maatwebsite\Excel\Concerns\Importable;
+use Maatwebsite\Excel\Concerns\WithChunkReading;
+use Maatwebsite\Excel\Concerns\WithMultipleSheets;
+
+abstract class ImportMultipleSheets implements ShouldQueue, WithChunkReading, WithMultipleSheets
+{
+    use Importable;
+
+    public $user;
+
+    public function __construct()
+    {
+        $this->user = user();
+    }
+
+    public function chunkSize(): int
+    {
+        return 100;
+    }
+}