Add all files

app/Policies/TicketMessagePolicy.php

@@ -0,0 +1,17 @@
+<?php
+
+namespace App\Policies;
+
+use App\Models\TicketMessage;
+use App\Models\User;
+
+class TicketMessagePolicy
+{
+    /**
+     * Determine whether the user can delete the model.
+     */
+    public function delete(User $user, TicketMessage $ticket): bool
+    {
+        return $user->hasPermission('admin.ticket_messages.delete');
+    }
+}