GroupBy Alternate Script ServiceNow

var result = [];

var grCusRec = new GlideRecord('custom_table');

grCusRec.addEncodedQuery("opened_by=896b18b61b1dbc94f5addc26bc4bcbaa");

grCusRec.orderByDesc('sys_created_on');

grCusRec.query();

while (grCusRec.next() && result.length <= 5) {

var found = false;

for( index in result){

if(result[index].sys_id == grCusRec.getValue('employee')){

found = true;

break;

}

}

if(!found){

result.push({

"name": grCusRec.getDisplayValue('employee'),

"sys_id": grCusRec.getValue('employee'),

"user_name": grCusRec.employee.user_name.toString()

});

}

}

gs.info(JSON.stringify(result));