{
  "$id": "usage-event.json",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "UsageEvent",
  "description": "Represents a usage event for an application, capturing user actions such as starting a video call, sending messages, or uploading files.",
  "type": "object",
  "required": [
    "timestamp",
    "email",
    "eventName"
  ],
  "properties": {
    "timestamp": {
      "type": "integer",
      "description": "The timestamp of the event in milliseconds since epoch."
    },
    "email": {
      "type": "string",
      "format": "email",
      "description": "The email address of the user who performed the action."
    },
    "eventName": {
      "type": "string",
      "description": "The name of the action or activity performed."
    }
  }
}