$source_id = (int)$this->trimmed('source_id');
$source_screen_name = $this->trimmed('source_screen_name');
$target_id = (int)$this->trimmed('target_id');
$target_screen_name = $this->trimmed('target_screen_name');
$source_id = (int)$this->trimmed('source_id');
$source_screen_name = $this->trimmed('source_screen_name');
$target_id = (int)$this->trimmed('target_id');
$target_screen_name = $this->trimmed('target_screen_name');