{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/swetrix/refs/heads/main/json-schema/swetrix-session-schema.json",
  "title": "Swetrix Session",
  "description": "Schema for a Swetrix visitor session record",
  "type": "object",
  "properties": {
    "psid": {
      "type": "string",
      "description": "Unique session identifier"
    },
    "pid": {
      "type": "string",
      "description": "Project ID the session belongs to"
    },
    "browser": {
      "type": "string",
      "description": "Visitor browser name"
    },
    "browserVersion": {
      "type": "string",
      "description": "Visitor browser version"
    },
    "os": {
      "type": "string",
      "description": "Visitor operating system"
    },
    "osVersion": {
      "type": "string",
      "description": "Visitor OS version"
    },
    "country": {
      "type": "string",
      "description": "Two-letter ISO 3166-1 country code"
    },
    "device": {
      "type": "string",
      "description": "Device type (desktop, mobile, tablet)"
    },
    "locale": {
      "type": "string",
      "description": "Visitor locale (e.g. en-US)"
    },
    "referrer": {
      "type": "string",
      "description": "HTTP referrer URL"
    },
    "utmSource": {
      "type": "string",
      "description": "UTM source parameter"
    },
    "utmMedium": {
      "type": "string",
      "description": "UTM medium parameter"
    },
    "utmCampaign": {
      "type": "string",
      "description": "UTM campaign parameter"
    },
    "duration": {
      "type": "integer",
      "minimum": 0,
      "description": "Session duration in seconds"
    },
    "pageviews": {
      "type": "integer",
      "minimum": 1,
      "description": "Number of pages viewed in the session"
    },
    "created": {
      "type": "string",
      "format": "date-time",
      "description": "Session start timestamp"
    }
  },
  "required": ["psid", "pid"]
}