{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "MessageCreateRequest",
  "type": "object",
  "properties": {
    "subject": {
      "type": "string",
      "description": "The subject of the message."
    },
    "toRecipients": {
      "type": "array"
    },
    "ccRecipients": {
      "type": "array"
    },
    "bccRecipients": {
      "type": "array"
    },
    "replyTo": {
      "type": "array"
    },
    "importance": {
      "type": "string"
    },
    "isDeliveryReceiptRequested": {
      "type": "boolean"
    },
    "isReadReceiptRequested": {
      "type": "boolean"
    },
    "categories": {
      "type": "array"
    }
  }
}