# Row number

Returns the row number for each row in the table, starting from 0.

## Input type

Flow start

## Output type

Number

## Usage information

| Functionality | Availability |
| --- | --- |
| [Standard Quiver card](../core-concepts/index.md#cards) | Unsupported |
| [Transform table transform](../cards-transform-table/index.md) | Supported |