Repeating group didn't fetch updated data from external API

Hi Guys,

I have a repeating group that requests data from an external API
The first time when the repeating group requests the data, the data are correct

Problem:
If there are any changed in the data source, and the repeating group is requesting the data again, the old data are displayed, not the actual data
Only if I press “F5” in the browser, the new dataset appears

I found out, that is repeating group is caching the data, if the parametes are the same, so I added a Parameter “comment” and fill it with the current timestamp, so that this parameter should be different at any call, but it didn’t work

What do I habe to do to garantee, that the repeating group is requesting the current data at each call and didn’t use caching?