diff --git a/README.md b/README.md
index 59e30a9..0ed6be5 100644
--- a/README.md
+++ b/README.md
@@ -144,16 +144,22 @@ Please visit our [sample sdk_config.ini](https://github.com/paypal/PayPal-PHP-SD
 ;Caching Configuration
 [cache]
 ; If Cache is enabled, it stores the access token retrieved from ClientId and Secret from the
-; server into a file provided in constant $CACHE_PATH in PayPal/Cache/AuthorizationCache.
+; server into a file provided by the cache.FileName option or by using
+; the constant $CACHE_PATH value in PayPal/Cache/AuthorizationCache if the option is omitted/empty.
 ; If the value is set to 'true', it would try to create a file and store the information.
 ; For any other value, it would disable it
 ; Please note, this is a very good performance improvement, and we would encourage you to
 ; set this up properly to reduce the number of calls, to almost 50% on normal use cases
 ; PLEASE NOTE: You may need to provide proper write permissions to /var directory under PayPal-PHP-SDK on
-; your hosting server
+; your hosting server or whichever custom directory you choose
 cache.enabled=true
+; When using a relative path, the cache file is created
+; relative to the .php file that is the entry point
+; for this request. You can also provide an absolute
+; path here
+cache.FileName=../auth.cache
 ```
-##### PLEASE NOTE: You may need to provide proper write permissions to /var directory under PayPal-PHP-SDK on your hosting server
+##### PLEASE NOTE: You may need to provide proper write permissions to /var directory under PayPal-PHP-SDK (or your custom directory) on your hosting server
 
 ### API Model Constructor
 
diff --git a/lib/PayPal/Cache/AuthorizationCache.php b/lib/PayPal/Cache/AuthorizationCache.php
index 0f0be78..4505ab4 100644
--- a/lib/PayPal/Cache/AuthorizationCache.php
+++ b/lib/PayPal/Cache/AuthorizationCache.php
@@ -23,9 +23,10 @@ abstract class AuthorizationCache
         if (!self::isEnabled($config)) { return null; }
 
         $tokens = null;
-        if (file_exists(__DIR__ . self::$CACHE_PATH)) {
+        $cachePath = self::cachePath($config);
+        if (file_exists($cachePath)) {
             // Read from the file
-            $cachedToken = file_get_contents(__DIR__ . self::$CACHE_PATH);
+            $cachedToken = file_get_contents($cachePath);
             if ($cachedToken && JsonValidator::validate($cachedToken, true)) {
                 $tokens = json_decode($cachedToken, true);
                 if ($clientId && is_array($tokens) && array_key_exists($clientId, $tokens)) {
@@ -54,8 +55,9 @@ abstract class AuthorizationCache
         // Return if not enabled
         if (!self::isEnabled($config)) { return; }
 
-        if (!is_dir(dirname(__DIR__ . self::$CACHE_PATH))) {
-            if (mkdir(dirname(__DIR__ . self::$CACHE_PATH), 0755, true) == false) {
+        $cachePath = self::cachePath($config);
+        if (!is_dir(dirname($cachePath))) {
+            if (mkdir(dirname($cachePath), 0755, true) == false) {
                 return;
             }
         }
@@ -71,7 +73,7 @@ abstract class AuthorizationCache
                 'tokenExpiresIn' => $tokenExpiresIn
             );
         }
-        file_put_contents(__DIR__ . self::$CACHE_PATH, json_encode($tokens));
+        file_put_contents($cachePath, json_encode($tokens));
     }
 
     /**
@@ -89,6 +91,19 @@ abstract class AuthorizationCache
         }
         return false;
     }
+    
+    /**
+     * Returns the cache file path
+     *
+     * @param $config
+     * @return string
+     */
+    public static function cachePath($config)
+    {
+        $config = ($config && is_array($config)) ? $config : PPConfigManager::getInstance()->getConfigHashmap();
+        $cachePath = (array_key_exists("cache.FileName", $config)) ? trim($config['cache.FileName']) : null;
+        return empty($cachePath) ? __DIR__ . self::$CACHE_PATH : $cachePath;
+    }
 
 
 }
diff --git a/sample/sdk_config.ini b/sample/sdk_config.ini
index 54a6a5a..6cf1918 100644
--- a/sample/sdk_config.ini
+++ b/sample/sdk_config.ini
@@ -49,11 +49,17 @@ validation.level=log
 ;Caching Configuration
 [cache]
 ; If Cache is enabled, it stores the access token retrieved from ClientId and Secret from the
-; server into a file provided in constant $CACHE_PATH in PayPal/Cache/AuthorizationCache.
+; server into a file provided by the cache.FileName option or by using 
+; the constant $CACHE_PATH value in PayPal/Cache/AuthorizationCache if the option is omitted/empty.
 ; If the value is set to 'true', it would try to create a file and store the information.
 ; For any other value, it would disable it
 ; Please note, this is a very good performance improvement, and we would encourage you to
 ; set this up properly to reduce the number of calls, to almost 50% on normal use cases
 ; PLEASE NOTE: You may need to provide proper write permissions to /var directory under PayPal-PHP-SDK on
-; your hosting server
+; your hosting server or whichever custom directory you choose
 cache.enabled=true
+; When using a relative path, the cache file is created
+; relative to the .php file that is the entry point
+; for this request. You can also provide an absolute
+; path here
+cache.FileName=../auth.cache