Question: how to create xsodata service?
Answer: Step 1: Create new file. Right mouse click on the core_xsjs/lib/xsodata folder and choose New->File . ... 
Step 3: Save and run. Save the file and build the Node. ... 
Step 4: Append URL. You can now adjust the URL slightly and add the /$metadata parameter to the end of it. ... 
Step 5: View data. ... 
Step 6: Try other parameters.