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If your user account has the Write or Own permission level on an existing collection in DME, and if that existing collection has been configured to contain another collection, you can recursively register data (copy files within folders) from your file system into that existing collection. 

If the collection is 50 MB or larger, the command registers the collection using a multipart presigned URL. If the collection is smaller than that threshold, the command registers the collection using a single part presigned URL.

To register directory contents:

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