# Row Flattener

## <img src="/files/F8v9T8aQZ3ccKrYazPpa" alt="" data-size="line"> Row Flattener

### Description <a href="#description" id="description"></a>

The Row Flattener transform allows you to flatten data sequentially.

| Hop Engine | <sup>✓</sup> |
| ---------- | ------------ |
| Spark      | ?            |
| Flink      | ?            |
| Dataflow   | ?            |

### Options

| Option               | Description                                                            |
| -------------------- | ---------------------------------------------------------------------- |
| Transform name       | Name of the transform; this name has to be unique in a single pipeline |
| The field to flatten | The field that must be flattened into different target fields          |
| Target fields        | The name of the target field to which the field is flattened           |

### Example

In the sample below, if you begin with the following data set…​

| Field1 | Field2 | Field3 | Flatten |
| ------ | ------ | ------ | ------- |
| A      | B      | C      | One     |
| Z      | Y      | X      | Two     |
| D      | E      | F      | Three   |
| W      | V      | U      | Four    |

The data set can be flattened to the example shown below:

| Field1 | Field2 | Field3 | Target1 | Target2 |
| ------ | ------ | ------ | ------- | ------- |
| A      | B      | C      | One     | Two     |
| D      | E      | F      | Three   | Four    |


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