'required', 'due_date' => 'required', 'user_id' => 'required', 'discount' => 'required', 'discount_val' => 'required', 'sub_total' => 'required', 'total' => 'required', 'tax' => 'required', 'invoice_template_id' => 'required', 'items' => 'required|array', 'items.*' => 'required|max:255', 'items.*.description' => 'max:255', 'items.*.name' => 'required', 'items.*.quantity' => 'required', 'items.*.price' => 'required' ]; return $rules; } }