Add description for http://tizen.org/feature/storage.external

Change-Id: I534b9d1f0fad8469350680563f778b65255cda3d
Signed-off-by: pr.jung <pr.jung@samsung.com>

diff --git a/doc/storage_doc.h b/doc/storage_doc.h
index 40fe64f..0260fa3 100755 (executable)
--- a/doc/storage_doc.h
+++ b/doc/storage_doc.h
@@ -46,6 +46,19 @@
  * - Others
  * - System ringtones
  *
+ * @section CAPI_SYSTEM_STORAGE_MODULE_OVERVIEW Related Features
+ * This API is related with the following features:\n
+ * - %http://tizen.org/feature/storage.external\n
+ *
+ * It is recommended to design feature related codes in your application for reliability.\n
+ *
+ * You can check if a device supports the related features for this API by using @ref CAPI_SYSTEM_SYSTEM_INFO_MODULE, thereby controlling the procedure of your application.\n
+ *
+ * To ensure your application is only running on the device with specific features, please define the features in your manifest file using the manifest editor in the SDK.\n
+ *
+ * More details on featuring your application can be found from <a href="https://developer.tizen.org/development/tizen-studio/native-tools/configuring-your-app/manifest-text-editor#feature"><b>feature element description</b>.</a>
+ *
+ *
  */
 
 #endif /* __TIZEN_SYSTEM_STORAGE_DOC_H__ */