# RowCount()

Returns the number of rows in a rowset, array, or object.

## Availability

<table>
  <tr>
    <td>Marketing Cloud Engagement</td>
    <td>✅ Yes</td>
  </tr>
  <tr>
    <td>Marketing Cloud Next</td>
    <td>✅ Yes</td>
  </tr>
</table>

This function became available in Marketing Cloud Next during the Summer ’26 release (API version 67.0).

## Syntax

```
RowCount(rowset)
```

The `RowCount()` function has one parameter:

- `rowset` (string): Required. The rowset or array to find the number of rows for.

## Usage

To use the function, pass it a rowset.

```
%%=RowCount(LookupRows('PostalCode','City','Indianapolis'))=%%
```

This example returns the number of rows in the `PostalCode` data extension where the `City` column contains the value "Indianapolis."