Set all play counts = 0 if “authid” is not returned

// Get the Message two ago that precedes this Script.
var msg = $context.currentItem.previousItem.previousItem;

// Get the response to the Message.
var response = msg.getResponse(msg.RESPONSE_HTTP_BODY);

// Was there a response?
if (response == null)
{
// There was no response.

// Output an informational message and set all subsequent play counts = 0.
$context.result.postMessage($context.result.LEVEL_INFO, "Message " + msg.name + " received no response to validate.");
	  
var nextItem = $context.currentItem.nextItem;
while (nextItem != null)
  {
   nextItem.setRepeat(nextItem.REPEAT_TIMING_SERIAL, nextItem.REPEAT_TYPE_COUNT_CONSTANT, 0, nextItem.REPEAT_DISTRIBUTION_CONSTANT, 0);
   nextItem = nextItem.nextItem;
  }
msg.clearResponse();  

}
else
{
// There was a response.

// Get the value of the Global Property.
// var stringToFind = $globalprop.value("Global property list name here", "Global property name here");

// string to find; hard coded
var stringToFind = "authid";

// Determine if the value exists in the response.
var searchIndex = response.indexOf(stringToFind);

// If the value does not exist in the response, output an error and set all subsequent requests to have a play count=0.
if (searchIndex == -1)
	{
	var details = "Response:\n" + response + "\n\nValue searched for:\n" + stringToFind;
	$context.result.postMessage($context.result.LEVEL_ERROR, "Login failed because authid not found " + msg.name, details);
	
	var nextItem = $context.currentItem.nextItem;
  	while (nextItem != null)
	  {
 	   nextItem.setRepeat(nextItem.REPEAT_TIMING_SERIAL, nextItem.REPEAT_TYPE_COUNT_CONSTANT, 0, nextItem.REPEAT_DISTRIBUTION_CONSTANT, 0);
 	   nextItem = nextItem.nextItem;
 	  }
	msg.clearResponse();
	}

}