{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/MessageCreate",
  "title": "MessageCreate",
  "type": "object",
  "required": [
    "recipients",
    "originator",
    "body"
  ],
  "properties": {
    "recipients": {
      "type": "array",
      "description": "The phone numbers that will receive the message in international format. A maximum of 50 recipients can be specified per request.",
      "items": {
        "type": "string"
      },
      "minItems": 1,
      "maxItems": 50
    },
    "originator": {
      "type": "string",
      "description": "The sender of the message. Can be a telephone number including country code or an alphanumeric string with a maximum length of 11 characters.",
      "maxLength": 17
    },
    "body": {
      "type": "string",
      "description": "The body of the SMS message. Messages longer than 160 characters will be split into multiple parts.",
      "maxLength": 1377
    },
    "type": {
      "type": "string",
      "description": "The type of message. Can be sms, binary, or flash.",
      "enum": [
        "sms",
        "binary",
        "flash"
      ],
      "default": "sms"
    },
    "reference": {
      "type": "string",
      "description": "A client reference for tracking purposes."
    },
    "reportUrl": {
      "type": "string",
      "format": "uri",
      "description": "The URL for delivery report callbacks for this message."
    },
    "validity": {
      "type": "integer",
      "description": "The validity period of the message in seconds."
    },
    "gateway": {
      "type": "integer",
      "description": "The SMS route used to send the message."
    },
    "typeDetails": {
      "type": "object",
      "description": "Additional type-specific details for the message."
    },
    "datacoding": {
      "type": "string",
      "description": "The encoding used for the message body. Use auto for automatic detection, unicode for Unicode, or plain for GSM encoding.",
      "enum": [
        "plain",
        "unicode",
        "auto"
      ],
      "default": "plain"
    },
    "mclass": {
      "type": "integer",
      "description": "The message class. Set to 1 for flash messages.",
      "enum": [
        0,
        1
      ]
    },
    "scheduledDatetime": {
      "type": "string",
      "format": "date-time",
      "description": "The scheduled date and time of the message in RFC 3339 format."
    }
  }
}