Sort files in job is a default Switch app that provides a mechanism for "sorting" the files inside a job folder, in other words to perform the following two steps:
This is useful to prepare the job for tools that process files in alphabetical order, for example merging pages into a single document.
Sort files in job ignores any nested subfolders and their contents (that is, it works only on the files immediately inside the job folder). Individual job files are passed along unchanged.