The manifest file which lists the expected metadata files in the package delivery. The manifest may be empty and only contain a sequence number, in which case an empty job will be processed. This is useful to increment the sequence number even if there are no modified metadata items. Every package delivery must contain a manifest file, and the manifest file must be named 'manifest.xml'. The list of metadata files that are contained in the package. The contents of this list must match the contents of the package archive or the job will be rejected. An optional sequence number for the package. Ingest will process packages based on their sequence number if it is present. This allows the deliverer to ensure the proper execution order of deliveries. If the sequence number is not present, the job will be processed in the general order that it arrived relative to other jobs. However if jobs with sequence numbers are waiting, a job without a sequence number could be processed first if resources are available. An optional package name that can be used by the deliverer to track the package. If the package name is not specified, the package file name will be used as a default. The package name will be included in the final report. A list of files. A description of a file that is included in the package for processing. The file name must be found in the package or the package will be rejected. The name of the metadata file in the package.