Hi @tomsnelders ,
Please try this, instead of having a recurrance as the trigger, use the following 'When a file is created in a folder' (I don't know what this is in Dutch 😅 )

1. Select the folder from where you want to move files.
2. In the move file action put the ID in the file to move and find the subfolder within destination folder.
Please let me know if you have any futher questions!
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Best Regards
Heartholme