Changing destination in custom record center router

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I have created a router based on the IRouter interface. It is registered and
when I debug the code, I see that I set an expected value for the destination
parameter that is passed to the OnSubmitFile method. I return
SuccessContinueProcessing in order to tell SharePoint to do it's thing.

The problem is that the document is not placed in the library that I have
specified. I cannot find any trace of the received document whatsoever.

Any ideas?
.