Here is an example from the SDK

<PurQuote>
<! This is the vendor line "name"
"UNIVERSAL CONSTRUCTION"
<! This is an option line
<! "no. of details", "quote no.", "entry date", "ship date", "total amount", "disount rate",
<! "discount days", "net days", "freight amt", "tax information"
"1","203","3-15-2000", ,"69.98","2.00","30","60","10.00","GST","0","1","7.00","0.70"
<! This is a detail line
<! "item no.", "quantity", "price", "amt", "tax information"
"C1020","20.0000","2.6000","52.00","GST","0","1","7.00","3.64","PST Charged","0","0","7.00","3.64"
</PurQuote>

<Version>
"12001","1"
</Version>
<PurInvoice>
"UNIVERSAL CONSTRUCTION","0", ,"102 - 3701 West Hastings Street", ,"Vancouver","British Columbia","V5C2H6","Canada", , ,
"3", ,"importagain","8-15-2015","715.84","2.00","30","60","0.00"
,"0.0000","0.0000","111.00"
,"0.0000","0.0000","222.00",
,"0.0000","0.0000","333.00","GST","0","1","7.00","24.92","PST","0","0","7.00","24.92"
</PurInvoice>

But if you want a more sophisticated solution send me an e-mail

[email protected]