This is my first time working on FIXML file.
Below are some information:
http://fixwiki.org/fixwiki/FPL:FIXML_Syntax
example data below:
<MyRpt RptID="ABCD1234" Dt="2019-03-07"><Pty ID="SAM" RI="A21" /><Pty ID="00615" RI="B41" > <Sub ID="C" Typ="26"/></Pty><Instrmt Sym="IBM" CID="ABCDEF" MMY="20190308" MatDt="2019-03-08" Price="40" Curr="USD" Mult="100"/><Qty Typ="AS" Short="2"/><Amt Typ="SELL" Amt="8000"/></MyRpt>