SystemMetadata

System-managed metadata that is automatically added to records.

Data model

Table

Property	Type	Required	Description
createdAt	utcDateTime	Yes	The timestamp (in UTC) at which the record was created
lastModifiedAt	utcDateTime	Yes	The timestamp (in UTC) at which the record was last modified

JSON Schema

$schema: https://json-schema.org/draft/2020-12/schema
$id: SystemMetadata.yaml
type: object
properties:
  createdAt:
    type: string
    format: date-time
    description: The timestamp (in UTC) at which the record was created.
  lastModifiedAt:
    type: string
    format: date-time
    description: The timestamp (in UTC) at which the record was last modified.
required:
  - createdAt
  - lastModifiedAt
description: System-managed metadata for records

TypeSpec

/** System-managed metadata for records */
model SystemMetadata {
  /** The timestamp (in UTC) at which the record was created */
  @visibility(Lifecycle.Read)
  createdAt: isoDatetime;

  /** The timestamp (in UTC) at which the record was last modified */
  @visibility(Lifecycle.Read)
  lastModifiedAt: isoDatetime;
}

Example

{
  "createdAt": "2024-02-28T12:00:00Z",
  "lastModifiedAt": "2024-02-28T12:00:00Z"
}