diff --git a/Changelog b/Changelog
index d2826f0..17d8db5 100755
--- a/Changelog
+++ b/Changelog
@@ -1,3 +1,7 @@
+2020-04-20  Franz Holzinger <franz@ttproducts.de>
+    * bugfix extension manager configuration
+    * compatibility for TYPO3 10: replace eID parameter by Middleware and the parameter transactor.
+
 2020-04-01  Franz Holzinger <franz@ttproducts.de>
     * add compatibility for TYPO3 10
     * remove compatibility for TYPO3 6.2
diff --git a/Classes/Api/PaymentApi.php b/Classes/Api/PaymentApi.php
old mode 100644
new mode 100755
index 41ae2de..c70908d
--- a/Classes/Api/PaymentApi.php
+++ b/Classes/Api/PaymentApi.php
@@ -41,8 +41,37 @@
 use TYPO3\CMS\Core\Utility\GeneralUtility;
 
 
+
 class PaymentApi
 {
+    static public function getTransactorConf ($handleLib, $key = '') 
+    {
+        $transactorConf = [];
+        $result = '';
+
+        if (
+            defined('TYPO3_version') &&
+            version_compare(TYPO3_version, '9.0.0', '>=')
+        ) {
+            $transactorConf = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance(
+                \TYPO3\CMS\Core\Configuration\ExtensionConfiguration::class
+            )->get($handleLib);
+        } else { // before TYPO3 9
+            $transactorConf = unserialize($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf'][$handleLib]);
+        }
+
+        if (
+            $key != '' &&
+            isset($transactorConf[$key])
+        ) {
+            $result = $transactorConf[$key];
+        } else {
+            $result = $transactorConf;
+        }
+
+        return $result;
+    }
+
     /**
     * @param        string      $extensionKey: Extension key
     * @param        boolean     $mergeConf: if the conf of the extension shall be merged
@@ -55,12 +84,33 @@ static public function getConf (
         array $conf = array()
     )
     {
-        $result = unserialize($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf'][TRANSACTOR_EXT]);
+        $result = [];
+        if (
+            defined('TYPO3_version') &&
+            version_compare(TYPO3_version, '9.0.0', '>=')
+        ) {
+            $result = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance(
+                \TYPO3\CMS\Core\Configuration\ExtensionConfiguration::class
+            )->get(TRANSACTOR_EXT);
+        } else { // before TYPO3 9
+            $result = unserialize($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf'][TRANSACTOR_EXT]);
+        }
+
         if (
             $extensionKey != '' &&
             isset($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf'][$extensionKey])
         ) {
-            $extManagerConf = unserialize($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf'][$extensionKey]);
+            $extManagerConf = [];
+            if (
+                defined('TYPO3_version') &&
+                version_compare(TYPO3_version, '9.0.0', '>=')
+            ) {
+                $extManagerConf = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance(
+                    \TYPO3\CMS\Core\Configuration\ExtensionConfiguration::class
+                )->get($extensionKey);
+            } else { // before TYPO3 9
+                $extManagerConf = unserialize($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf'][$extensionKey]);
+            }
         }
 
         if ($mergeConf && is_array($conf)) {
diff --git a/Classes/Api/Start.php b/Classes/Api/Start.php
index 60910ad..32eefd7 100755
--- a/Classes/Api/Start.php
+++ b/Classes/Api/Start.php
@@ -322,9 +322,6 @@ static public function render (
 
         if ($paramsValid) {
             $lConf = $confScript;
-            if (isset($confScript['em.'])) {
-                $emConf = $confScript['em.'];
-            }
             $gatewayExtKey = $confScript['extName'];
             $ok = static::checkLoaded($errorMessage, $languageObj, $gatewayExtKey);
             $paymentMethod = $confScript['paymentMethod'];
@@ -356,6 +353,11 @@ static public function render (
                     }
 
                     $gatewayConf = $gatewayProxyObject->getConf();
+                    $emConf = $gatewayProxyObject->getExtensionManagerConf();
+                    if (isset($confScript['em.'])) {
+                        $emConf = array_replace_recursive($emConf, $confScript['em.']);
+                    }
+        
                     if ($emConf) {
                         $gatewayConf = array_replace_recursive($gatewayConf, $emConf);
                         $gatewayProxyObject->setConf($gatewayConf);
@@ -859,11 +861,13 @@ static protected function getTransactionDetails (
             $successLinkParams = array_merge($successLinkParams, $linkParams);
         }
 
-        $notifyUrlParams =
-            array(
-                'eID' => str_replace('transactor_', '', $gatewayExtKey),
-                'transactor' => PaymentApi::getRequestId($referenceId)
-            );
+        $notifyUrlParams = [];
+        if (
+            version_compare(TYPO3_version, '9.5.0', '<')
+        ) {
+            $notifyUrlParams['eID'] = str_replace('transactor_', '', $gatewayExtKey);
+        }
+        $notifyUrlParams['transactor'] = PaymentApi::getRequestId($referenceId);
 
         if (isset($linkParams) && is_array($linkParams)) {
             $notifyUrlParams = array_merge($notifyUrlParams, $linkParams);
@@ -1480,6 +1484,5 @@ static public function renderDataEntry (
 
         return $result;
     }
-// neu Ende
 }
 
diff --git a/Classes/Domain/GatewayProxy.php b/Classes/Domain/GatewayProxy.php
index 80ad897..86d0b19 100755
--- a/Classes/Domain/GatewayProxy.php
+++ b/Classes/Domain/GatewayProxy.php
@@ -60,21 +60,40 @@ class GatewayProxy implements \JambageCom\Transactor\Domain\GatewayInterface
     public function init ($extensionKey)
     {
         $this->gatewayClass = '';
-        $this->extensionManagerConf = unserialize($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf']['transactor']);
+        $this->extensionManagerConf = [];
+        if (
+            defined('TYPO3_version') &&
+            version_compare(TYPO3_version, '9.0.0', '>=')
+        ) {
+            $this->extensionManagerConf = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance(
+                \TYPO3\CMS\Core\Configuration\ExtensionConfiguration::class
+            )->get(TRANSACTOR_EXT);
+        } else { // before TYPO3 9
+            $this->extensionManagerConf = unserialize($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf'][TRANSACTOR_EXT]);
+        }
+        $newExtensionManagerConf = [];
 
-        if (isset($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf'][$extensionKey])) {
+        if (
+            defined('TYPO3_version') &&
+            version_compare(TYPO3_version, '9.0.0', '>=')
+        ) {
+            $newExtensionManagerConf = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance(
+                \TYPO3\CMS\Core\Configuration\ExtensionConfiguration::class
+            )->get($extensionKey);
+        } else if (isset($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf'][$extensionKey])) { // before TYPO3 9
             $newExtensionManagerConf = unserialize($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf'][$extensionKey]);
-            if (is_array($this->extensionManagerConf)) {
-                if (is_array($newExtensionManagerConf)) {
-                    $this->extensionManagerConf =
-                        array_merge(
-                            $this->extensionManagerConf,
-                            $newExtensionManagerConf
-                        );
-                }
-            } else {
-                $this->extensionManagerConf = $newExtensionManagerConf;
+        }
+
+        if (is_array($this->extensionManagerConf)) {
+            if (is_array($newExtensionManagerConf)) {
+                $this->extensionManagerConf =
+                    array_merge(
+                        $this->extensionManagerConf,
+                        $newExtensionManagerConf
+                    );
             }
+        } else {
+            $this->extensionManagerConf = $newExtensionManagerConf;
         }
 
         if (
@@ -174,6 +193,12 @@ public function setTemplateFilename ($templateFilename)
         $this->getGatewayObj()->setTemplateFilename($templateFilename);
     }
 
+    public function getExtensionManagerConf ()
+    {
+        $result = $this->extensionManagerConf;
+        return $result;
+    }
+
     public function getConf ()
     {
         $result = $this->getGatewayObj()->getConf();
diff --git a/composer.json b/composer.json
index 8f4a5a8..59e3e50 100755
--- a/composer.json
+++ b/composer.json
@@ -24,7 +24,7 @@
     "GPL-2.0-or-later"
   ],
   "require": {
-    "php": "^5.6,^7.1",
+    "php": "^7.1",
     "typo3/cms-core": "^7.6,^8,7,^9.5,^10.4",
     "jambagecom/div2007": "^1.11"
   },
diff --git a/ext_emconf.php b/ext_emconf.php
index 7103008..98358b1 100755
--- a/ext_emconf.php
+++ b/ext_emconf.php
@@ -16,7 +16,7 @@
     'author_company' => '',
     'constraints' => array(
         'depends' => array(
-            'php' => '5.6.0-7.4.99',
+            'php' => '7.1.0-7.4.99',
             'typo3' => '7.6.0-10.4.99',
             'div2007' => '1.11.0-0.0.0',
         ),
diff --git a/model/class.tx_transactor_gateway.php b/model/class.tx_transactor_gateway.php
index 580bf42..c2b92ac 100755
--- a/model/class.tx_transactor_gateway.php
+++ b/model/class.tx_transactor_gateway.php
@@ -72,8 +72,29 @@ abstract class tx_transactor_gateway implements tx_transactor_gateway_int, \TYPO
     */
     public function __construct () {
         $this->clearErrors();
-        $conf = unserialize($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf']['transactor']);
-        $extManagerConf = unserialize($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf'][$this->getExtKey()]);
+        $conf = [];
+        $extManagerConf = [];
+        if (
+            defined('TYPO3_version') &&
+            version_compare(TYPO3_version, '9.0.0', '>=')
+        ) {
+            $conf = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance(
+                \TYPO3\CMS\Core\Configuration\ExtensionConfiguration::class
+            )->get('transactor');
+        } else { // before TYPO3 9
+            $conf = unserialize($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf']['transactor']);
+        }
+
+        if (
+            defined('TYPO3_version') &&
+            version_compare(TYPO3_version, '9.0.0', '>=')
+        ) {
+            $extManagerConf = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance(
+                \TYPO3\CMS\Core\Configuration\ExtensionConfiguration::class
+            )->get($this->getExtKey());
+        } else { // before TYPO3 9
+            $extManagerConf = unserialize($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf'][$this->getExtKey()]);
+        }
 
         if ($this->bMergeConf && is_array($this->conf)) {
             if (is_array($extManagerConf)) {
diff --git a/model/class.tx_transactor_gatewayproxy.php b/model/class.tx_transactor_gatewayproxy.php
index b254921..920cdc5 100755
--- a/model/class.tx_transactor_gatewayproxy.php
+++ b/model/class.tx_transactor_gatewayproxy.php
@@ -52,9 +52,31 @@ class tx_transactor_gatewayproxy implements tx_transactor_gateway_int, \TYPO3\CM
     */
     public function init ($extKey) {
 
-        $this->extensionManagerConf = unserialize($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf']['transactor']);
+        $this->extensionManagerConf = [];
+        if (
+            defined('TYPO3_version') &&
+            version_compare(TYPO3_version, '9.0.0', '>=')
+        ) {
+            $this->extensionManagerConf = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance(
+                \TYPO3\CMS\Core\Configuration\ExtensionConfiguration::class
+            )->get('transactor');
+        } else { // before TYPO3 9
+            $this->extensionManagerConf = unserialize($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf']['transactor']);
+        }
+
         if (isset($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf'][$extKey])) {
-            $newExtensionManagerConf = unserialize($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf'][$extKey]);
+            $newExtensionManagerConf = [];
+            if (
+                defined('TYPO3_version') &&
+                version_compare(TYPO3_version, '9.0.0', '>=')
+            ) {
+                $newExtensionManagerConf = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance(
+                    \TYPO3\CMS\Core\Configuration\ExtensionConfiguration::class
+                )->get($extKey);
+            } else { // before TYPO3 9
+                $newExtensionManagerConf = unserialize($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf'][$extKey]);
+            }
+
             if (is_array($this->extensionManagerConf)) {
                 if (is_array($newExtensionManagerConf)) {
                     $this->extensionManagerConf = array_merge($this->extensionManagerConf, $newExtensionManagerConf);
@@ -65,7 +87,6 @@ public function init ($extKey) {
         }
         $this->gatewayClass = 'tx_' . str_replace('_', '', $extKey) . '_gateway';
         $this->gatewayExt = $extKey;
-//         require_once(ExtensionManagementUtility::extPath($extKey) . 'model/class.' . $this->gatewayClass . '.php');
     }