# Edit Properties

This information, also referred to as metadata is the collection of information that is used to categorize an object, assign effective dates and expiration dates, language, and keywords.

Item Properties
Allow Discussion on this item
'Default' will use the site-wide setting for discussions.
Default
Enabled
Disabled
Keywords
Keywords relate different types of content to each other. Don't select too many categories.
New keywords
Each new keyword must be on a separate line.
selected keywords
Existing keywords
Effective Date
The date when the item will be available (of course it needs to be published too). If no date is selected the item will be effective immediately.
Validation error output
Gets the calendar code.
Expiration Date
The date when the item expires. This will automatically make the item invisible for others at the given date. If no date is chosen, it will never expire.
Validation error output
Gets the calendar code.
Format
The MIME-type of the item. If you don't know what this does, just leave it.
Language
The language of this item.
Copyrights
The copyrights on this item.
Contributors
The names of people that have contributed to this item. Each contributor should be on a separate line.
contributors
Get the byline - contains details about author and modification date.