Allow modules to act upon a successful OpenID login.
$response: Response values from the OpenID Provider.
$account: The Drupal user account that logged in
Note: this list is generated by pattern matching, so it may include some functions that are not actually implementations of this hook.
function hook_openid_response($response, $account) {
if (isset($response['openid.ns.ax'])) {
_mymodule_store_ax_fields($response, $account);
}
}