{
  "$schema": "https://json-structure.org/meta/core/v0/#",
  "$id": "https://raw.githubusercontent.com/api-evangelist/google-analytics/refs/heads/main/json-structure/measurement-protocol-measurement-payload-structure.json",
  "name": "MeasurementPayload",
  "description": "MeasurementPayload schema from Google Analytics API",
  "type": "object",
  "properties": {
    "client_id": {
      "type": "string",
      "description": "Uniquely identifies a user instance of a web client. Required for web streams.",
      "example": "123456789.1234567890"
    },
    "app_instance_id": {
      "type": "string",
      "description": "Uniquely identifies a user instance of an app. Required for app streams.",
      "example": "123456"
    },
    "user_id": {
      "type": "string",
      "description": "A unique identifier for a user. Enables cross-platform analysis. Must contain only UTF-8 characters.",
      "example": "123456"
    },
    "timestamp_micros": {
      "type": "int64",
      "description": "Unix timestamp in microseconds for the request. Used to backdate events up to 72 hours.",
      "example": 1713355200000000
    },
    "user_properties": {
      "type": "object",
      "description": "User-scoped properties for the measurement.",
      "additionalProperties": {
        "$ref": "#/components/schemas/UserPropertyValue"
      }
    },
    "user_data": {
      "type": "object",
      "description": "User-provided data for enhanced measurement."
    },
    "consent": {
      "type": "object",
      "properties": {
        "ad_user_data": {
          "type": "string",
          "description": "Consent for using user data in advertising.",
          "enum": [
            "GRANTED",
            "DENIED"
          ],
          "example": "GRANTED"
        },
        "ad_personalization": {
          "type": "string",
          "description": "Consent for ad personalization.",
          "enum": [
            "GRANTED",
            "DENIED"
          ],
          "example": "GRANTED"
        }
      }
    },
    "non_personalized_ads": {
      "type": "boolean",
      "description": "Deprecated. Use consent.ad_personalization instead.",
      "deprecated": true,
      "example": true
    },
    "user_location": {
      "type": "object",
      "properties": {
        "city": {
          "type": "string",
          "description": "City name.",
          "example": "example_value"
        },
        "region_id": {
          "type": "string",
          "description": "Region identifier.",
          "example": "123456"
        },
        "country_id": {
          "type": "string",
          "description": "Country identifier.",
          "example": "123456"
        },
        "subcontinent_id": {
          "type": "string",
          "description": "Subcontinent identifier.",
          "example": "123456"
        },
        "continent_id": {
          "type": "string",
          "description": "Continent identifier.",
          "example": "123456"
        }
      }
    },
    "ip_override": {
      "type": "string",
      "description": "IP address used to derive geographic information.",
      "example": "123456"
    },
    "device": {
      "type": "object",
      "properties": {
        "category": {
          "type": "string",
          "description": "Device category (e.g., mobile, tablet, desktop).",
          "example": "example_value"
        },
        "language": {
          "type": "string",
          "description": "Device language setting.",
          "example": "example_value"
        },
        "screen_resolution": {
          "type": "string",
          "description": "Screen resolution (e.g., 1920x1080).",
          "example": "example_value"
        },
        "operating_system": {
          "type": "string",
          "description": "Operating system name.",
          "example": "example_value"
        },
        "operating_system_version": {
          "type": "string",
          "description": "Operating system version.",
          "example": "example_value"
        },
        "model": {
          "type": "string",
          "description": "Device model.",
          "example": "example_value"
        },
        "brand": {
          "type": "string",
          "description": "Device brand.",
          "example": "example_value"
        },
        "browser": {
          "type": "string",
          "description": "Browser name.",
          "example": "example_value"
        },
        "browser_version": {
          "type": "string",
          "description": "Browser version.",
          "example": "example_value"
        }
      }
    },
    "validation_behavior": {
      "type": "string",
      "description": "Controls validation strictness. RELAXED only rejects malformed requests. ENFORCE_RECOMMENDATIONS also rejects invalid types and exceeded limits.",
      "enum": [
        "RELAXED",
        "ENFORCE_RECOMMENDATIONS"
      ],
      "default": "RELAXED",
      "example": "RELAXED"
    },
    "events": {
      "type": "array",
      "description": "Array of event objects. Maximum 25 events per request.",
      "maxItems": 25,
      "items": {
        "type": "object",
        "required": [
          "name"
        ],
        "properties": {
          "name": {
            "type": "string",
            "description": "The name of the event. Must not use reserved names (ad_click, app_exception, error, session_start, etc.) or reserved prefixes (_, firebase_, ga_, google_, gtag.).",
            "example": "Example Name"
          },
          "params": {
            "type": "object",
            "description": "Event parameters as key-value pairs. Common parameters include session_id, engagement_time_msec, and timestamp_micros.",
            "additionalProperties": true,
            "properties": {
              "session_id": {
                "type": "string",
                "description": "Session identifier for accurate session metrics."
              },
              "engagement_time_msec": {
                "type": "int32",
                "description": "User engagement duration in milliseconds."
              },
              "timestamp_micros": {
                "type": "int64",
                "description": "Unix epoch time in microseconds to override event timestamp."
              }
            }
          }
        }
      }
    }
  },
  "required": [
    "events"
  ]
}