get inc number from sysid in servicenow using script

[String]

I'm using below code to create incident and  am getting sysid 

But I need inc number ,Please guide me 

var createCase = new GlideRecord('incident');
createCase.initialize();

createCase.short_description='test';

createCase.correlation_id='123';

var sys=createCase.insert();
gs.info(sys);

[Shekhar Navhak1 · Accepted solution]

Below Script will solve your issue:

var createCase = new GlideRecord('incident');
createCase.initialize();

createCase.short_description='test';
createCase.correlation_id='123';
var sys=createCase.insert();

var inc=new GlideRecord('incident') 
inc.get(sys);
gs.info(inc.number);