Purchase Order Vertex debug xml query in Oracle EBS

1--PO Debug XML
2
3SELECT poh.segment1     PO_NUMBER,
4       poh.po_header_id po_header_id,
5       pol.line_num,
6       VT.REQUEST_ID,
7       debug.REQUEST_NAME,
8       debug.MESSAGE_TYPE,
9       debug.xml
10  FROM apps.po_headers_all        poh,
11       apps.po_lines_all          pol,
12       apps.po_line_locations_all pll,
13       apps.vertex_txn_tax_resp   vt,
14       apps.vertex_oic_debug_xml  debug
15 WHERE     1 = 1
16       AND poh.po_header_id = vt.transaction_id
17       AND poh.po_header_id = pol.po_header_id
18       AND pol.po_line_id = pll.po_line_id
19       AND vt.transaction_line_id = pll.line_location_id
20       AND poh.segment1 = '4334002898'
21       AND pll.shipment_num = 1
22       AND vt.request_id = debug.request_id(+);
23       
24       --