# Top N rows

The Top N rows step allows you get the top N rows of your data based on value column to be ranked. The top can be performed by group if specified

### Step parameters

* `Get top...`**\*(int)**: specify the number of top rows to retain
* `Sort column...`**\*(string)**: the ranking will be based on this column (so its values must be sortable)
* `Sort order...`**\*\["asc", "desc"]**: whether the you want the above column to e sorted on ascending (`asc`) or descending (`desc`) order
* `Group by...` **(array)**: if you want to return a top by group, you can select one or several columns that will be used to constitute unique groups

### Example

**Input**

<figure><img src="/files/tNEDoyfuko1Iz435jApa" alt=""><figcaption><p>Filter - Top N rows input</p></figcaption></figure>

**Configuration**

```json
{
    "limit": 5,
    "rank_on": "salary",
    "sort": "desc"
    "group_by": []
}
```

**Output**

<figure><img src="/files/uWz77m6M9RX2CMz4bqDu" alt=""><figcaption><p>Filter - Top N rows output</p></figcaption></figure>


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