function editSenderSignature($id, $name = NULL, $replyToEmail = NULL, $returnPathDomain = NULL) {

		$body = array();
		$body['name'] = $name;
		$body['replyToEmail'] = $replyToEmail;
		$body['returnPathDomain'] = $returnPathDomain;

		return new DynamicResponseModel($this->processRestRequest('PUT', "/senders/$id", $body));
	}