Boolean
The Boolean scalar type represents true or false.
Currency
A field whose value is a Currency//en.wikipedia.org/wiki/ISO_4217.
DateTime
A date-time string at UTC, such as 2007-12-03T1030Z, compliant with the date-time format outlined in section 5.6 of the RFC 3339 profile of the ISO 8601 standard for representation of dates and times using the Gregorian calendar.This scalar is serialized to a string in ISO 8601 format and parsed from a string in ISO 8601 format.
EmailAddress
A field whose value conforms to the standard internet email address format as specified in HTML Spec//html.spec.whatwg.org/multipage/input.html#valid-e-mail-address.
ID
The ID scalar type represents a unique identifier, often used to refetch an object or as key for a cache. The ID type appears in a JSON response as a String; however, it is not intended to be human-readable. When expected as an input type, any string (such as "4") or integer (such as 4) input value will be accepted as an ID.
Int
The Int scalar type represents non-fractional signed whole numeric values. Int can represent values between -(2^31) and 2^31 - 1.
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.