An enum type is a special data type that enables for a field to be a set of predefined constants.

Akwatype allows you to define enums that can then be used like any other type.

In the following example the size of the Pizza can only take the values small, medium and family

enum PizzaSize {
    small,
    medium,
    family
}

type Pizza{
    name:String
    size: PizzaSize
}

This will translate into OpenAPI