Cascading Delete Issue

Unknown

Is there a configuration for cascading delete?  When I read the documentation and followed the instructions at this video https://www.youtube.com/watch?v=nFhcbdhaaec, the author is deleted but I get "Reference no longer exist" instead of the record being deleted in the books table.  Is that the default behavior?  I expect the records in the book table to be deleted also.
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Michael Udinski

 it doesn't look like you are deleting those books records. I can't see your custom function but I'd probably do a For Each Loop and a delete record for each book you want to delete

Unknown

 For Each loop worked.  Thanks.