> ## 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.

# exclude_prefix

`exclude_prefix: [string]`

Param for the `all_columns_anomalies` test only, which enables to exclude a column from the tests based on prefix match.

* *Default: None*
* *Relevant tests: `all_column_anomalies`*
* *Configuration level: test*

<RequestExample>
  ```yml test
  models:
    - name: this_is_a_model
      tests:
        - elementary.column_anomalies:
            exclude_prefix: "id_"
  ```
</RequestExample>