Interface

Interfaces are an abstract type where there are common fields declared. Any type that implements an interface must define all the fields with names and types exactly matching. The implementations of this interface are explicitly listed out inpossibleTypes.

Fields

• kind must return __TypeKind.INTERFACE .
• name must return a String.
• description may return a String or null .
• fields : The set of fields required by this interface.
  • Accepts the argument includeDeprecated which defaults to false . If true , deprecated fields are also returned.
• possibleTypes returns the list of types that implement this interface. They must be object types.
• All other fields must return null .