Kibana Scripted Field

Elastic Stack Kibana
1 
def path = doc['Extra_Data.keyword'].value;
def ls=[];
if(path.endsWith('L 9')) {
 ls.add(doc['LogEntry_Time.keyword'].value);
 }
if (ls !=null){
 def x = ls.get(0);
 return "x";
}
return "y";

Hello,
i got this error .
why my scripted field is not working?
I would love to know your suggestion.
and Do you know why some of groovy syntax is not working in scripted field?

Thank You

2

Hi there,

Could you give me some more context on "is not working"? Are you getting an error or is the field just not evaluating to what you would expect? Have you tried using the built-in script testing tool in the scripted fields editor to test your changes?