invalid components: request body "Send_FaxBody": invalid example: Error at "/to": property "to" is missing
Schema:
  {
    "example": {
      "file_url": "https://s3-ap-southeast-2.amazonaws.com/clicksend-api-downloads/_public/_examples/document.pdf",
      "messages": [
        {
          "country": "AF",
          "custom_string": "custom_string",
          "from_email": "will@smith.com",
          "schedule": "1436874701",
          "source": "php",
          "to": "+61261111111"
        },
        {
          "country": "AF",
          "custom_string": "custom_string",
          "from_email": "john@doe.com",
          "schedule": "1436874701",
          "source": "php",
          "to": "+61261111122"
        }
      ]
    },
    "properties": {
      "country": {
        "description": "Recipient country.",
        "type": "string"
      },
      "custom_string": {
        "description": "Your reference. Will be passed back with all replies and delivery reports.",
        "type": "string"
      },
      "file_url": {
        "description": "Your URL to your PDF file.",
        "type": "string"
      },
      "from": {
        "description": "Your sender id. Must be a valid fax number.",
        "type": "string"
      },
      "from_email": {
        "description": "An email address where the reply should be emailed to.",
        "type": "string"
      },
      "list_id": {
        "description": "Your list ID if sending to a whole list. Can be used instead of 'to'.",
        "type": "number"
      },
      "messages": {
        "description": "Your messages.",
        "items": {},
        "type": "array"
      },
      "schedule": {
        "description": "Leave blank for immediate delivery. Your schedule time as a [unix timestamp](http://help.clicksend.com/what-is-a-unix-timestamp).",
        "type": "number"
      },
      "source": {
        "description": "Your method of sending e.g. 'wordpress', 'php', 'c#'.",
        "type": "string"
      },
      "to": {
        "description": "Recipient number in E.164 format or local format ([more info](https://help.clicksend.com/SMS/what-format-does-the-recipient-phone-number-need-to-be-in)).",
        "type": "string"
      }
    },
    "required": [
      "file_url",
      "messages",
      "to"
    ],
    "type": "object"
  }

Value:
  {
    "file_url": "https://s3-ap-southeast-2.amazonaws.com/clicksend-api-downloads/_public/_examples/document.pdf",
    "messages": [
      {
        "country": "AF",
        "custom_string": "custom_string",
        "from_email": "will@smith.com",
        "schedule": "1436874701",
        "source": "php",
        "to": "+61261111111"
      },
      {
        "country": "AF",
        "custom_string": "custom_string",
        "from_email": "john@doe.com",
        "schedule": "1436874701",
        "source": "php",
        "to": "+61261111122"
      }
    ]
  }
