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Hi All,

Many times we have requirements like make the attachment name different received via mail adapter.

So here is the blog to resolve the problem:

First write a UDF for the same:


Taks 2 strings for arguments which you want to add in the name of attachement:

ex :Args1,Args2 :


public String Dynamicfilename(String Args1, String Args2, Container container) throws StreamTransformationException{

String tempstart = “string1”;

   DynamicConfigurationKey parmValue;

String tempend = “.txt”;

String hypen = “-“;

String FileName = “XHeaderName3”;

String Subject =  tempstart +hypen+ VBELN +hypen+ GLN;

DynamicConfiguration conf = (DynamicConfiguration) container.getTransformationParameters().get(StreamTransformationConstants.DYNAMIC_CONFIGURATION );

if (conf != null)


DynamicConfigurationKey keyFilename = DynamicConfigurationKey.create(““,  “XHeaderName1”);

String dynaname = tempstart +hypen+ Args1 +hypen+ Args2+tempend;

String dyn1 = “attachment; filename =” +dynaname;

conf.put(keyFilename, dyn1);

parmValue = DynamicConfigurationKey.create( ““, “THeaderSUBJECT“); 

         conf.put(parmValue,  Subject);

container.setParameter(StreamTransformationConstants.DYNAMIC_CONFIGURATION, conf);


return “”;


after writing the UDF,map the root node of output structure with UDF along with 2 input fields.

now go to receive MAIL adapter communication channel.

and make changes like this;

1. Use ASMP-checked

2.Variable Transport Binding-checked


here  THeaderSUBJECT is the value which we have set in UDF.

Now add these modules and values to the communication channel:


I hope this will help .

References : Adding DynamicConfigurationBean in the Module Processor – SAP NetWeaver Process Integration – SAP Library

Happy Learning 🙂


Pooja Tiwari

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