[role="xpack"]
[testenv="platinum"]
[[ml-filter-resource]]
=== Filter Resources

A filter resource has the following properties:

`filter_id`::
  (string) A string that uniquely identifies the filter.

`description`::
  (array) A description of the filter.

`items`::
  (array of strings) An array of strings which is the filter item list.
  
For more information, see {stack-ov}/ml-rules.html[Machine learning custom rules].
