# GraphQL - Scalars

<header id="bkmrk-"></header>## Boolean

The `Boolean` scalar type represents `true` or `false`.

## Date

Date (isoformat)

## DateTime

Date with time (isoformat)

## Float

The `Float` scalar type represents signed double-precision fractional values as specified by [IEEE 754](https://en.wikipedia.org/wiki/IEEE_floating_point).

## Int

The `Int` scalar type represents non-fractional signed whole numeric values. Int can represent values between -(2^31) and 2^31 - 1.

## JSON

The `JSON` scalar type represents JSON values as specified by [ECMA-404](https://ecma-international.org/wp-content/uploads/ECMA-404_2nd_edition_december_2017.pdf).

## String

The `String` scalar type represents textual data, represented as UTF-8 character sequences. The String type is most often used by GraphQL to represent free-form human-readable text.

## Upload

## Void

Represents NULL values

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*Contenuto importato da [https://dev.riseact.org/docs/graphql-references/scalars](https://dev.riseact.org/docs/graphql-references/scalars) il 2026-04-23 durante la migrazione iniziale della KB Metadonors. Aggiornare se il sorgente cambia.*