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# exclude_prefix

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`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_columns_anomalies`*
* *Configuration level: test*

<RequestExample>
  ```yml test theme={null}
  models:
    - name: this_is_a_model
      data_tests:
        - elementary.column_anomalies:
            arguments:
              exclude_prefix: "id_"
  ```
</RequestExample>