public override string Serialize()
{
string xml = "\r\n<void";
xml += " id=\"" + SecurityElement.Escape(id) + "\"";
if (customerId != null)
{
xml += " customerId=\"" + SecurityElement.Escape(customerId) + "\"";
}
xml += " reportGroup=\"" + SecurityElement.Escape(reportGroup) + "\"";
xml += ">";
xml += "\r\n<litleTxnId>" + litleTxnId + "</litleTxnId>";
if (processingInstructions != null) xml += "\r\n<processingInstructions>" + processingInstructions.Serialize() + "\r\n</processingInstructions>";
xml += "\r\n</void>";
return xml;
}