Again, ask the question of export parameter.

Question

Again, ask the question of export parameter.
I wrote a java version transformation and it worked good with export parameter.
However I can not work it out in graphical message mapping. I refered http://help.sap.com/saphelp_nwpi71/helpdata/en/43/c3e1fa6c31599ee10000000a1553f6/frameset.htm.
In PI7.1, I add an export parameter "EXPORT_PARA" in the "Signature" tab. Are there any special step to assign this parameter to an UDF? I did not find a way to do it.
And then I define an UDF,
public String SetExportPara(String sss, Container container) throws StreamTransformationException{
String str = "GOOD";
GlobalContainer gc = container.getGlobalContainer();
OutputParameters paras= gc.getOutputParameters();
if(paras.exists("EXPORT_PARA ") == true) {
paras.setString("EXPORT_PARA ", str);
}else {
str = "NOT FOUND EXPORT_PARA";
return str;
And I assign this UDF to one element of my output XML, I tried to run it in IE, it always output "NOT FOUND EXPORT_PARA.
why?????
I know there is a blog : https://www.sdn.sap.com/irj/scn/weblogs?blog=/pub/wlg/8654. [original link is broken] [original link is broken] [original link is broken]
But it did not talk how to set export parameters.

Answer 1

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