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PDF split using Barcode scan

I’m a beginner in a workflow process.

I want to split the PDF document there is a new page with barcodes. I make process Folder capture -> Barcode scan (process by file) -> Metadata Sequencer (Metadata level: data page, Sequencing is based on: The following rule: BarcodeValue Value changed) -> Send to Folder. Example is file with 4 pages. Page 1 and 3 is with barcode. I want this 4 pages PDF split in the two files each beginn with barcode. But get it 4 pages.
Where is my mistake.