{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/MessageInfo",
  "title": "MessageInfo",
  "type": "object",
  "description": "Summary information about a sent message.",
  "properties": {
    "ts": {
      "type": "integer",
      "description": "The Unix timestamp when the message was sent.",
      "example": 10
    },
    "_id": {
      "type": "string",
      "description": "The unique message ID.",
      "example": "500123"
    },
    "sender": {
      "type": "string",
      "format": "email",
      "description": "The sender email address.",
      "example": "example_value"
    },
    "template": {
      "type": "string",
      "description": "The template slug used, if any.",
      "example": "example_value"
    },
    "subject": {
      "type": "string",
      "description": "The subject line of the message.",
      "example": "example_value"
    },
    "email": {
      "type": "string",
      "format": "email",
      "description": "The recipient email address.",
      "example": "user@example.com"
    },
    "tags": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "Tags applied to the message.",
      "example": []
    },
    "opens": {
      "type": "integer",
      "description": "The number of times the message was opened.",
      "example": 10
    },
    "opens_detail": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "ts": {
            "type": "integer",
            "description": "Unix timestamp of the open event."
          },
          "ip": {
            "type": "string",
            "description": "IP address from which the message was opened."
          },
          "location": {
            "type": "string",
            "description": "Approximate geographic location of the open."
          },
          "ua": {
            "type": "string",
            "description": "User agent string of the client."
          }
        }
      },
      "description": "Detailed open tracking events.",
      "example": []
    },
    "clicks": {
      "type": "integer",
      "description": "The number of link clicks in the message.",
      "example": 10
    },
    "clicks_detail": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "ts": {
            "type": "integer",
            "description": "Unix timestamp of the click event."
          },
          "url": {
            "type": "string",
            "description": "The URL that was clicked."
          },
          "ip": {
            "type": "string",
            "description": "IP address of the clicker."
          },
          "location": {
            "type": "string",
            "description": "Approximate geographic location of the click."
          },
          "ua": {
            "type": "string",
            "description": "User agent string of the client."
          }
        }
      },
      "description": "Detailed click tracking events.",
      "example": []
    },
    "state": {
      "type": "string",
      "enum": [
        "sent",
        "bounced",
        "rejected",
        "soft-bounced",
        "spam",
        "unsub"
      ],
      "description": "The current state of the message.",
      "example": "sent"
    },
    "metadata": {
      "type": "object",
      "additionalProperties": {
        "type": "string"
      },
      "description": "Custom metadata attached to the message.",
      "example": "example_value"
    }
  }
}