# Keep columns

The Keep columns step allows you to choose a column or multiple columns, meaning that it will delete every other columns. Useful when you have a lot of columns and that you only need to use a few of them.

### Step parameters

* `Keep columns` **(array)\***: specify one or several column(s) to keep

### Example

**Input**

<figure><img src="/files/tNEDoyfuko1Iz435jApa" alt=""><figcaption><p>Filter - Keep columns input</p></figcaption></figure>

**Configuration**

```json
{
    "columns" : ["id", "name", "country", "salary"]
}
```

**Output**

<figure><img src="/files/rfTw6uEtsA9KocMn5bIG" alt=""><figcaption><p>Filter - Keep columns output</p></figcaption></figure>


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