# UNPIVOT
<a name="recipe-actions.UNPIVOT"></a>

Converts all the column values in a selected row into individual rows with values.

![\[Table transformation showing column values converted to individual rows with values.\]](http://docs.aws.amazon.com/databrew/latest/dg/images/unpivot.png)


**Parameters**
+ `sourceColumns` — A JSON-encoded string representing a list of one or more columns to be unpivoted.
+ `unpivotColumn` — The value column for the unpivot operation.
+ `valueColumn` — The column to hold unpivoted values.

**Example**  
  

```
{
    "Action": {
        "Operation": "UNPIVOT",
        "Parameters": {
            "sourceColumns": "[\"idealpoint_estimate\"]",
            "unpivotColumn": "unpivoted_idealpoint_estimate",
            "valueColumn": "unpivoted_column_values"
        }
    }
}
```