Enter the following information in the transformation step fields.
| Option | Description |
|---|---|
| Step name | Specifies the unique name of the MapReduce Input step on the canvas. A MapReduce Input step can be placed on the canvas several times; however, it represents the same MapReduce Input step. You can customize the name or leave it as the default. |
| Key field | The Hadoop input field and data type that represents the key in MapReduce. |
| Value field | The Hadoop input field and data type that represents the value in MapReduce. |