…() . "\n";
$dataToLog .= 'Method: ' . $request->method() . "\n";
$dataToLog .= 'Input: ' . $request->getContent() . "\n";
$dataToLog .= 'Output: ' . $response->getContent() . "\n";
\File::append( storage_path('logs' . DIRECTORY_SEPARATOR . $filename), $dataToLog . "\n" . str_repeat("=", 20) . "\n\n");