How the achive this using the function module SO_NEW_DOCUMENT_SEND_API1

I want to format the body of the mail like this.How to maintian proper spacing between the fields.kindly suggest.

It may contain multiple line items also.

SC Number | SC Item Number | SC Item Qty | PO Number | PO Item Price

SC Name | SC Item Text | SC Item Price | PO Item | Invoice Item Price

<SC_NUMBER> <SC_ITEM> <SC_QTY> <PO_NUMBER> <PO_PRICE>

<SC_NAME> <SC_ITEM_TEXT> <SC_PR> <PO_ITEM> <IV_PRICE>