ItemType
--------

Describes individual items held or distributed by the archive in connection with a study, group of studies, or resource packages. What constitutes an item is determined by the archive. Provides identification information on the item within the context of the archive including citation, a statement on its location, call number (internal identifier), URI, format, media type, and source. The item is classified by a study class designation, information on access restrictions, and availability status. Content information on the number of data files associated with the item, the completeness of the collection of objects represented by this item as well as descriptions of nested items are provided.

Properties
~~~~~~~~~~

.. csv-table::
   :header: "Name","Type","","Description"
   :widths: 15,10,5,100

   "Citation",":doc:`/composite-types/CitationType/index`","0..1","A citation for the item. May additionally be rendered in native qualified Dublin Core (dc and dcterms)."
   "LocationInArchive",":doc:`/composite-types/InternationalStringType/index`","0..n","Describes the location of the item within the archive. Repeat for multiple locations such as separate stores for access and archival copies."
   "CallNumber","string","0..1","The name, code, or number used by the archive to uniquely identify the item within the archive."
   "URI","anyURI","0..1","The URL or URN for the item."
   "ItemFormat",":doc:`/composite-types/CodeValueType/index`","0..1","Describes the item's format."
   "Media",":doc:`/composite-types/CodeValueType/index`","0..1","Describes the medium, or media, for the item."
   "StudyClass",":doc:`/composite-types/StudyClassType/index`","0..1","An archive specific classification for the item. This may be a topical classification, a classification of intended processing levels, or information on the processing status."
   "Access",":doc:`/composite-types/AccessType/index`","0..1","Access restriction information applying to the item. If none are specified the default restrictions of the archive or parent collection or item apply."
   "OriginalArchiveOrganizationReference",":doc:`/item-types/Organization/index`","0..n","The original archive for the described item, expressed as a reference to an organization listed in the organization scheme."
   "AvailabilityStatus",":doc:`/composite-types/StructuredStringType/index`","0..1","A statement of availability for the object. This is a positive statement (as opposed to access restrictions) which may be used for publication or other purposes. Supports multiple language versions of the same content as well as optional formatting of the content."
   "DataFileQuantity","nonNegativeInteger","0..1","The number of data files in the described item, expressed as an integer. This is a check sum and should be updated as the contents of the collection changes. The use of this element is best restricted to completed collections where change in the number of objects is not dynamic."
   "CollectionCompleteness",":doc:`/composite-types/StructuredStringType/index`","0..1","Describes the completeness of the collection for the item and its related data files and sub-items. Note coverage gaps as well as unique content . This statement may be used for publication or other purposes. Supports multiple language versions of the same content as well as optional formatting of the content."
   "Item",":doc:`/composite-types/ItemType/index`","0..n","Allows for the nesting of Item descriptions with a item."


Relationships
~~~~~~~~~~~~~
The following types reference this type.

* :doc:`/composite-types/ArchiveSpecificType/index`
* :doc:`/composite-types/CollectionType/index`

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