Question: how to use rfhutil tool?
Answer: Step 1: Create a message flow.
Step 2:Open RFHUtil tool.
Step 3: Click on "LoadName" option. ... 
Step 4: Click on "Open File" ... 
Step 5: Open "Data" tab to check the input message .Select the input message format from "Data format".
Step 6:To write the message in input queue open "Main" tab and click on "Write Q".