Kong · Schema

Metering Event

Metering event following the CloudEvents specification.

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Properties

Name	Type	Description
id	string	Identifies the event.
source	string	Identifies the context in which an event happened.
specversion	string	The version of the CloudEvents specification which the event uses.
type	string	Contains a value describing the type of event related to the originating occurrence.
datacontenttype	string	Content type of the CloudEvents data value. Only the value "application/json" is allowed over HTTP.
dataschema	string	Identifies the schema that data adheres to.
subject	string	Describes the subject of the event in the context of the event producer (identified by source).
time	string	Timestamp of when the occurrence happened. Must adhere to RFC 3339.
data	object	The event payload. Optional, if present it must be a JSON object.

View JSON Schema on GitHub

JSON Schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/MeteringEvent",
  "title": "Metering Event",
  "description": "Metering event following the CloudEvents specification.",
  "type": "object",
  "properties": {
    "id": {
      "description": "Identifies the event.",
      "type": "string",
      "example": "5c10fade-1c9e-4d6c-8275-c52c36731d3c",
      "minLength": 1
    },
    "source": {
      "description": "Identifies the context in which an event happened.",
      "type": "string",
      "format": "uri-reference",
      "example": "service-name",
      "minLength": 1
    },
    "specversion": {
      "description": "The version of the CloudEvents specification which the event uses.",
      "type": "string",
      "example": "1.0",
      "default": "1.0",
      "minLength": 1
    },
    "type": {
      "description": "Contains a value describing the type of event related to the originating occurrence.",
      "type": "string",
      "example": "com.example.someevent",
      "minLength": 1
    },
    "datacontenttype": {
      "description": "Content type of the CloudEvents data value. Only the value \"application/json\" is allowed over HTTP.",
      "type": "string",
      "example": "application/json",
      "enum": [
        "application/json"
      ],
      "nullable": true
    },
    "dataschema": {
      "description": "Identifies the schema that data adheres to.",
      "type": "string",
      "format": "uri",
      "minLength": 1,
      "nullable": true
    },
    "subject": {
      "description": "Describes the subject of the event in the context of the event producer (identified by source).",
      "type": "string",
      "example": "customer-id",
      "minLength": 1
    },
    "time": {
      "description": "Timestamp of when the occurrence happened. Must adhere to RFC 3339.",
      "type": "string",
      "format": "date-time",
      "example": "2023-01-01T01:01:01.001Z",
      "nullable": true,
      "title": "RFC3339 Date-Time"
    },
    "data": {
      "description": "The event payload.\nOptional, if present it must be a JSON object.",
      "type": "object",
      "additionalProperties": {},
      "nullable": true
    }
  },
  "example": {
    "specversion": "1.0",
    "id": "5c10fade-1c9e-4d6c-8275-c52c36731d3c",
    "source": "service-name",
    "type": "prompt",
    "subject": "customer-id",
    "time": "2023-01-01T01:01:01.001Z",
    "data": {
      "prompt": "Hello, world!",
      "tokens": 100,
      "model": "gpt-4o",
      "type": "input"
    }
  },
  "required": [
    "id",
    "source",
    "specversion",
    "type",
    "subject"
  ]
}