bizagi objects of type 'BizAgi.EntityManager.Entities' do not have such member error

I need to pull all user records from WFUSER table, but getting following code

'error'

bizagi objects of type 'BizAgi.EntityManager.Entities' do not have such member

'Code'

var _EntityList = CEntityManager.GetEntity("WFUSER").GetEntityList("fullName","", "", "");

var x = null;

for(var index=0; index<_EntityList.Length; index++)

{

x =x+ " "+ _EntityList[index].fullName;

}

CHelper.ThrowValidationError(x);