{ "employee": [ { "name": { "first": "John", "last": "Doe" } } , { "name": { "first": "Omar", "last": "Smith" } , "salary": "30000" } , { "name": { "first": "Sara", "last": "Chen" } , "salary": "60000" } ] } . $for(employee)$ $employee.name.first$ $endfor$ --- $for(nonexistent)$ $endfor$ --- . John Omar Sara --- ---