diff --git a/core/includes/config.inc b/core/includes/config.inc
index 8c2772b..7b0e90c 100644
--- a/core/includes/config.inc
+++ b/core/includes/config.inc
@@ -49,6 +49,10 @@ function config_install_default_config($module) {
 
       $verified_storage = new DrupalVerifiedStorageSQL($config_name);
       $verified_storage->write(file_get_contents($module_config_dir . '/' . $file));
+
+      $config = config($config_name);
+      // Call hook_config_module_default() on all modules.
+      module_invoke_all('config_module_default', $config_name, $config->get());
     }
   }
 }
diff --git a/core/modules/config/config.api.php b/core/modules/config/config.api.php
new file mode 100644
index 0000000..dcf8dc7
--- /dev/null
+++ b/core/modules/config/config.api.php
@@ -0,0 +1,35 @@
+<?php
+
+/**
+ * @file
+ * Hooks provided by the Config module.
+ */
+
+/**
+ * @addtogroup hooks
+ * @{
+ */
+
+
+/**
+ * Allow modules to respond to a path being inserted.
+ *
+ * @param $config_name
+ *   A string containing the configuration name.
+ * @param $config
+ *   An associative array of configuration parameters keyed by their names.
+ *
+ * @see config_install_default_config()
+ */
+function hook_config_module_default($config_name, $config) {
+  foreach ($config as $key => $value) {
+    db_update('mytable')
+      ->fields(array('value' => $value))
+      ->condition('key', $key)
+      ->execute();
+  }
+}
+
+/**
+ * @} End of "addtogroup hooks".
+ */