# De-Serialized From File

## ![](/files/LZ6vNJghEV8RxiaNJwP3) De-Serialized From File

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

The De-serialize From File transform reads rows of data from a binary Hop file containing rows and metadata.

| 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. |
| Filename       | The name of the Hop cube file to be generated.                          |
| Limit          | Allows you to limit the number of rows written to                       |
| Size           | the cube file. A value of zero (0) indicates no size limit (optional).  |


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