{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/ContactList",
  "title": "ContactList",
  "type": "object",
  "properties": {
    "$items": {
      "type": "array",
      "items": {
        "$ref": "#/components/schemas/Contact"
      }
    },
    "$total": {
      "type": "integer"
    },
    "$page": {
      "type": "integer"
    },
    "$next": {
      "type": "string",
      "nullable": true
    },
    "$back": {
      "type": "string",
      "nullable": true
    }
  }
}