How to call EJB standard functions from UDF

Hello Experts ,

I want to know how to call EJB standard functions from the UDF in Message mapping. I am completely new in EJB .

For Example i want to call "findAllOutboundMessagesForXIMessageNumber" function from the UDF. Then what we need to write exactly in UDF for calling the same. I tried finding but did not get much regarding calling EJB function from UDF.

Below is the screenshot of function for reference.

Kindly help.

Regards ,

Mrudula Rane