# expressionKindForCalculatedColumnType

Canonical page: https://www.adaptabletools.com/docs/reference/expressionkindforcalculatedcolumntype

a Calculated Column of the given type is expected to
hold: the per-row types (`Standard`, `Observable`) are `scalar`, every other
type aggregates.

```ts title="TypeScript"
expressionKindForCalculatedColumnType: (type: CalculatedColumnType) => ExpressionKind
```