first upload all files

Modules/Currency/Admin/CurrencyRateTabs.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace Modules\Currency\Admin;
+
+use Modules\Admin\Ui\Tab;
+use Modules\Admin\Ui\Tabs;
+
+class CurrencyRateTabs extends Tabs
+{
+    /**
+     * Make new tabs with groups.
+     *
+     * @return void
+     */
+    public function make()
+    {
+        $this->group('currency_rate_information', trans('currency::currency_rates.tabs.group.currency_rate_information'))
+            ->active()
+            ->add($this->general());
+    }
+
+    private function general()
+    {
+        return tap(new Tab('general', trans('currency::currency_rates.tabs.general')), function (Tab $tab) {
+            $tab->active();
+            $tab->weight(5);
+            $tab->fields(['rate']);
+            $tab->view('currency::admin.currency_rates.tabs.general');
+        });
+    }
+}