# Add Constants

## <img src="/files/g7ryW3hhGhflTpQKBFca" alt="" data-size="line"> Add Constants

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

The Add Constant Values transform is a simple and high performance way to add constant values to a pipeline stream.

| <h3 id="supported_engines">Supported Engines</h3> |
| ------------------------------------------------- |

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

### Options

| Option         | Description                                                                                                                          |
| -------------- | ------------------------------------------------------------------------------------------------------------------------------------ |
| Transform name | Name of the transform. **Note**: This name has to be unique in a single pipeline.                                                    |
| Fields         | Specify the name, type, and value in the form of a string. Then, specify the formats to convert the value into the chosen data type. |


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