Upload multiple files with Katalon Recorder

Hello guys, im new in Katalon and im triying to upload multiple files to a input with Katalon Recorder, here its the line

type | xpath=//div[2]/div/input | C://Users/file.txt,C://Users/file2.txt

In selenium ide i can upload multiple files putting a comma between the paths. But in katalon dont works. How i can do it in Katalon?