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rss
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Fetch an RSS feed and learn one fact for each item.


Configuration
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The RSS feed is always fetched in its entirety.

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Option              Type    Description
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url                 String  Mandatory. The feed address.
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Output
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RSS feeds vary wildly because of how malleable the underlying language is, but the following fields are usually available:

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Field                           Type    Notes           Description / Value
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rss:title                       String                  Resource title
rss:description                 String                  Description of the content
rss:summary                     String                  Some sort of summary, like the first couple of paragraphs of an article
rss:date                        Date                    When the resource was published
rss:link                        URL     Full address    Link to the resource
rss:author                      String
rss:categories                  String                  Categories; multiple categories are joined with commas
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