Add FinancialTrxn apiv4

Civi/Api4/FinancialTrxn.php

@@ -0,0 +1,35 @@
+<?php
+
+/*
+ +--------------------------------------------------------------------+
+ | Copyright CiviCRM LLC. All rights reserved.                        |
+ |                                                                    |
+ | This work is published under the GNU AGPLv3 license with some      |
+ | permitted exceptions and without any warranty. For full license    |
+ | and copyright information, see https://civicrm.org/licensing       |
+ +--------------------------------------------------------------------+
+ */
+
+/**
+ *
+ * @package CRM
+ * @copyright CiviCRM LLC https://civicrm.org/licensing
+ */
+
+namespace Civi\Api4;
+
+/**
+ * Financial Trxn entity.
+ *
+ * Financial transactions are low level accounting entries.
+ * They include, but are not limited to, payments.
+ *
+ * If your interest is really in payments you should use that api.
+ *
+ * @see https://docs.civicrm.org/dev/en/latest/financial/financialentities/#financial-transactions
+ *
+ * @package Civi\Api4
+ */
+class FinancialTrxn extends Generic\DAOEntity {
+
+}