> ## Documentation Index
> Fetch the complete documentation index at: https://elementary-more-explicit-webhook-instructions.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# column_anomalies

`column_anomalies: [column monitors list]`

Select which monitors to activate as part of the test.

* *Default: default monitors*
* *Relevant tests: `all_column_anomalies`, `column_anomalies`*
* *Configuration level: test*

<RequestExample>
  ```yml test
  models:
    - name: this_is_a_model
      tests:
        - elementary.column_anomalies:
            column_anomalies:
              - null_count
              - missing_count
              - average
  ```
</RequestExample>

#### Supported column monitors

<Snippet file="column-metrics.mdx" />