******************* This email originates from outside Imperial. Do not click on links and attachments unless you recognise the sender. If you trust the sender, add them to your safe senders list https://spam.ic.ac.uk/SpamConsole/Senders.aspx to disable email stamping for this address. ******************* Hi all, I've got some files on the SE at Imperial which I'd like to register in the File Catalogue: I can do this using dirac-dms-filecatalog-cli with register file <lfn> <pfn> <size> <SE> [<guid>] - register new file record in the catalog The DFC has a metadata field for the checksum, and I have the original checksums recorded separately. How can I add the checksum to the file entry? Is it worth the effort (e.g. does the DFC checksum entry actually get used to validate transfers?)? At present I'm using dirac-ui v6r22p6. Thanks Henry