BAPI : "BAPI_REQUISITION_CREATE" pass the Long Text Field of *Header Note*,

Hi Experts,
        i am using the BAPI : "BAPI_REQUISITION_CREATE". it' is working Fine.But i need to pass the Long Text Field of Header Note, Item Text, Item Note,Delivery text and Material P.O text through the BAPI.
Plz,Help me to Achieve this.

Thanks in Adv.
V.S.Naidu.