# Group by columns

### Description

With this transformation, you can group rows together based on a set of columns and aggregate the values of other columns.

### Parameters

* group\_by\_columns
* aggregated\_columns
  * Options: count, max, min, sum, avg

{% hint style="info" %}
Syntax for `aggregated_columns` is `COLUMN_NAME` + "KUWALA\_AGG" + `COLUMN_AGG`.
{% endhint %}


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