creating Attachment in send mail step

Hi,

My requirement is to send all the item details as attchement in mail to sap inbox .

i am getting all sales order item details into internal table to workflow container element ZITEMS.

1.created workflow container element ZATTCH of object type SOFM

2. Binding ZATTCH element to ATTACHMENT in mail task step

but i am unable do the bellow steps

3.How to pass data from ZITEMS element to ZATTACH which conatins all item details.

                                               or

4. i need to display all sales order item details in body of email but item details are multipule.

please tell me how to acheive these requirement.