I needed to send an external system a file import request. The external system would take some time to process the file before the import result can be queried. Making a status query immediately after the import request would always return an "import process is still running". It's best to wait for a few seconds before making the first attempt to query the import status.
It took quite a bit of time to look up the web for a "wait" or "sleep" function. Some posts suggested using Java flow, some recommended complex processes or involved an external library.
The easiest method I finally settled with is to use Repeat as follows: