curl "https://ssl.newsman.app/api/1.2/rest/your_user_id/your_api_key/abtest.setTestProps.json?newsletter_id=40001&props[test_duration]=30&props[winner_method]=open&props[test_group_size]=50"

<?php
 
// client can de downloaded from https://github.com/Newsman/newsman-api-php
require_once("Newsman/Client.php");
 
// you can get your API KEY, your newsman_user_id and list_id from My account -> API
$newsman_user_id = "your-username";
$api_key = "your-api-key";
$newsletter_id = "40001"; // The newsletter id
 
// Hash array with variant props.
$props = array(
 "test_duration" => "30", /* the duration which we wait after the test was sent in order to pick a winner. value is specified in minutes. required */ 
 "winner_method" => "open", /* the winner detection method. Can be: open, click, manual. open for open rate, click for click rate, manual for manual selection. required */ 
 "test_group_size" => "50" /* the size (percent) of the test group. required */
);
 
try {
	$client = new Newsman_Client($newsman_user_id, $api_key);
	$ret = $client->abtest->setTestProps($newsletter_id, $props);
} catch (Exception $e) {
	//do something with the error, eg: log $e->getMessage()
}
 
return $ret;
 
?>

import newsman
 
user_id = "your_user_id"
api_key = "your_api_key"
newsletter_id = 40001
 
props =	{
  "test_duration": 30,
  "winner_method": "open",
  "test_group_size": 50
}
 
client = newsman.Newsman(user_id, api_key)
client.abtest.setTestProps(newsletter_id,props)

RESTClient client = new RESTClient("your_user_id", "your_api_key");
 
var _props = new NameValueCollection();
    _props["test_duration"] = "30";
    _props["winner_method"] = "open";
    _props["test_group_size"] = "50";
 
var _params = new NameValueCollection();
    _params["newsletter_id"] = "40001";
    _params["props"] = _props;
 
var response = client.CallMethod("abtest", "setTestProps", _params);