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Metadatas allows you to add more informations to your pages. They are data that qualifies data.%%%
Currently only the plugin wiki_blog uses them, but there is more applications to them :
* indexing
* search
* ...

((admin_metadata.png|Admin metadata))

Here, you can see 2 metadatas have been defined
* first one is named 'category' and is a 'closed' metadata
* second one is named 'place' and is an open one.

A close metadata means the administrator has decided to restrain the set of possible values to a predefined set. An open one means all values are possible.

* to add a new metadata, Use the empty input field. Click on the "add metadata" button when you're done.
* to delete a metadata, click on the delete link
* to change the type of a metadata, use the drop down and click on "update metadata" button when you're done

When you have defined a close metadata, you can also edit the set of possible values : click on the 'values' link.

!Editing a closed metadata

((admin_view_metadata.png|Admin view metadata))

* Use the input field to add a new value. Click on "Add value" button to add it.
* select one or several values and click on the "delete selection" to remove one or more values