{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/EmailMessageContents",
  "title": "EmailMessageContents",
  "type": "object",
  "properties": {
    "subject": {
      "type": "string"
    },
    "body": {
      "type": "string"
    },
    "from": {
      "type": "string"
    },
    "reply-to": {
      "type": "string"
    },
    "preheader": {
      "type": "string"
    }
  },
  "required": [
    "subject",
    "body",
    "from"
  ]
}