# aggregationFn_first

# Variable: aggregationFn\_first

```ts
const aggregationFn_first: AggregationFnDef<any, any, unknown, unknown>;
```

Defined in: [features/row-aggregation/aggregationFns.ts:338](https://github.com/TanStack/table/blob/main/packages/table-core/src/features/row-aggregation/aggregationFns.ts#L338)

Returns the first row's value, including a nullish value.