Correct way to define array of enums in JSON schema

Question

I want to describe with JSON schema array, which should consist of zero or more predefined values. To make it simple, let\'s have these possible values: one,

Answer 1

Option A is correct and satisfy your requirements.

{
    "type": "array",
    "items": {
        "type": "string",
        "enum": ["one", "two", "three"]
    }
}