TIWCGJQAjaxOptions.Headers Property
A map of additional header key/value pairs to send along with the request. This setting is set before the beforeSend function is called; therefore, any values in the headers setting can be overwritten from within the beforeSend function.
published property Headers: TIWCGJSonDynObjList index 15 read GetDynObjListValue write SetDynObjListValue stored IsObjStored;