{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/apache-event-mesh/refs/heads/main/json-schema/eventmesh-admin-cloud-event-schema.json",
  "title": "CloudEvent",
  "description": "A CloudEvents v1.0 compliant event",
  "type": "object",
  "properties": {
    "specversion": {
      "type": "string",
      "const": "1.0",
      "description": "CloudEvents specification version"
    },
    "id": {
      "type": "string",
      "description": "Unique event identifier"
    },
    "source": {
      "type": "string",
      "format": "uri-reference",
      "description": "Event source identifier"
    },
    "type": {
      "type": "string",
      "description": "Event type"
    },
    "datacontenttype": {
      "type": "string",
      "description": "Content type of the data attribute"
    },
    "dataschema": {
      "type": "string",
      "format": "uri",
      "description": "Schema for the data attribute"
    },
    "subject": {
      "type": "string",
      "description": "Subject of the event in the context of the source"
    },
    "time": {
      "type": "string",
      "format": "date-time",
      "description": "Timestamp of the event"
    },
    "data": {
      "description": "Event payload"
    },
    "data_base64": {
      "type": "string",
      "format": "byte",
      "description": "Base64 encoded event payload"
    }
  },
  "required": [
    "specversion",
    "id",
    "source",
    "type"
  ]
}