diff --git a/Core/CacheWarmer.php b/Core/CacheWarmer.php
index 5713740..9154396 100644
--- a/Core/CacheWarmer.php
+++ b/Core/CacheWarmer.php
@@ -22,14 +22,19 @@ use OxidEsales\Eshop\Core\Registry;
  */
 class CacheWarmer
 {
+    private string $sCliSiteMapFile = '';
 
     /**
      *
      */
-    public function run()
+    public function run($sFileSitemap)
     {
+        $this->sCliSiteMapFile = trim($sFileSitemap);
+
         $aUrls = $this->_getSitemapContent();
-        if (!empty(Registry::getConfig()->getShopConfVar('psCacheWarmerSitemapUrl')) && !empty($aUrls)) {
+        if ((!empty(Registry::getConfig()->getShopConfVar('psCacheWarmerSitemapUrl'))
+                || !empty($sFileSitemap))
+            && !empty($aUrls)) {
             foreach ($aUrls as $sUrl) {
                 $oCurl = $this->_runCurlConnect($sUrl);
                 $this->_checkCurlResults($oCurl, $sUrl);
@@ -94,16 +99,18 @@ class CacheWarmer
     protected function _getSitemapContent($sSitemapUrl = "")
     {
         $aUrls = [];
-        if (empty($sSitemapUrl)) {
-            $sSitemapUrl = $this->_getSitemapUrl();
+        if (empty($sSitemapUrl) && $this->sCliSiteMapFile == '')
+        {
+            $sSitemapUrl = $this->_getSitemapUrl($sSitemapUrl);
+        }
+        elseif (empty($sSitemapUrl) && $this->sCliSiteMapFile != '')
+        {
+            $sSitemapUrl = $this->_getSitemapUrl($this->sCliSiteMapFile);
         }
-
         $sUsername = Registry::getConfig()->getShopConfVar('psCacheWarmerUser');
         $sPassword = Registry::getConfig()->getShopConfVar('psCacheWarmerPass');
         $sSitemapUrl = str_replace("://", "://" . $sUsername . ":" . $sPassword . "@", $sSitemapUrl);
 
-        echo $sSitemapUrl . "\r\n";
-
         $sSitemapXmlData = @file_get_contents($sSitemapUrl);
         if ($oSitemap = @simplexml_load_string($sSitemapXmlData)) {
             if (count($oSitemap->sitemap) > 0) {
@@ -126,10 +133,17 @@ class CacheWarmer
     /**
      * @return string
      */
-    protected function _getSitemapUrl()
+    protected function _getSitemapUrl($sSitemapFile)
     {
         $sSitemapUrl = Registry::getConfig()->getShopURL();
-        $sSitemapUrl .= Registry::getConfig()->getShopConfVar('psCacheWarmerSitemapUrl');
+
+        if($sSitemapFile != '')
+        {
+            $sSitemapUrl .= $sSitemapFile;
+        }
+        else{
+            $sSitemapUrl .= Registry::getConfig()->getShopConfVar('psCacheWarmerSitemapUrl');
+        }
 
         return $sSitemapUrl;
     }
diff --git a/README.md b/README.md
index 2585a2a..798a40a 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@ Free module for OXID eshop 6.
 
 Features
 
-	- set sitemap url in admin
+	- set sitemap url in admin / or cli parameter
 	- optional basic auth user/password
 	- optional csv logfile
 
@@ -16,13 +16,19 @@ Installation
 
 Usage
 
-	php source/modules/pc/cachewarmer/bin/warmup.php [optional parameter s for shop-id, eg. warmup.php -s 2]
+	php source/modules/pc/cachewarmer/bin/warmup.php [optional parameter s for shop-id, eg. warmup.php -s 2 -f sitemaps/categories.xml]
+
+Parameters:
+
+    -s: ShopId: -s 2
+    -f: Path to separte Sitemap: -f sitemaps/categories.xml
 	
 Changelog
 
-    	2020-09-15  3.1.1   readd ee shopurl fix (missing 3.0.1)
+    2021-03-17  3.1.2   add new new parameter -f for separate File
+    2020-09-15  3.1.1   readd ee shopurl fix (missing 3.0.1)
 	2020-09-14  3.1.0   add own logger
-    	2020-08-17  3.0.0   cli only, some improvements
+    2020-08-17  3.0.0   cli only, some improvements
 	2020-08-06  2.2.1   fix for OXID 6.2
 	2019-07-19  2.2.0   Write Report in a file (PR #3)
 	2019-07-17  2.1.0   add error 500 check (PR #2)
diff --git a/bin/warmup.php b/bin/warmup.php
index 72fc60d..bdfb6e4 100644
--- a/bin/warmup.php
+++ b/bin/warmup.php
@@ -15,20 +15,28 @@ if (PHP_SAPI != 'cli') {
     die('Only cli execution allowed!'."\r\n");
 }
 
-$options = getopt('s:');
+$options = getopt('s:f:');
 $shopId = $options['s'] ?? 0;
 if (!$shopId) {
     $shopId = 1;
 }
 
+$sFileSiteMap = $options['f'] ?? '';
+if (!$sFileSiteMap) {
+    $sFileSitemap = '';
+}
 require_once dirname(__FILE__) . '/../../../../bootstrap.php';
 
 use OxidEsales\Eshop\Core\Registry;
 use ProudCommerce\CacheWarmer\Core\CacheWarmer;
 
 echo 'Shop-ID '.$shopId." is used!\r\n";
+if($sFileSiteMap != '') {
+    echo 'Sitemap: ' . $sFileSiteMap . " is used!\r\n";
+}
 Registry::getConfig()->setShopId($shopId);
 Registry::set(Config::class, null);
 
+
 $cacheWarmer = new CacheWarmer();
-$cacheWarmer->run();
+$cacheWarmer->run($sFileSiteMap);
diff --git a/metadata.php b/metadata.php
index e1371b6..e60dff0 100644
--- a/metadata.php
+++ b/metadata.php
@@ -27,7 +27,7 @@ $aModule = [
         'en' => 'Automatically calling urls using the xml-sitemap, eg. for cache warmup.',
     ],
     'thumbnail'   => 'logo_pc-os.jpg',
-    'version'     => '3.1.1',
+    'version'     => '3.1.2',
     'author'      => 'ProudCommerce',
     'url'         => 'https://github.com/proudcommerce/psCacheWarmer',
     'email'       => '',