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participant-acm: allow a user to read, upload and upload modify data. They can create files and directories but cannot delete them. This could make sense for automated or command-line uploads with Mediaflux Unimelb Command-Line Clients or SFTP.
participant-acmd-n: allow a user full read-write access. They can create files and directories and delete them. This makes sense for any interactive access where a user wants to be able to create and modify files, for example Mediaflux Explorer or SMB.
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Note: modify access is required to move assets or namespaces
Examples
If you wanted to give somebody read-only access to your project, then they would be granted the role participant-a
Give a user the role participant-acm if you want them to be able to upload, modify and access files and directories, but not delete them
Give a user the role participant-acmd-n if you want them to have full read-write access files and directories, but not allow them the ability to manage metadata definitions or to grant others access to the project
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