Workday Extend · Schema

CustomObjectDefinition

AutomationCustom ApplicationsEnterpriseExtensionsHCMIntegrationOrchestrationPlatform-as-a-Service

Properties

Name Type Description
id string Unique identifier for the custom object definition
descriptor string Display name of the custom object type
name string The API name of the custom object type
description string Description of the custom object type
instanceType string Whether this is a single-instance or multi-instance custom object
parentObjectType string The standard Workday object type this custom object extends
fields array The fields defined in this custom object
isActive boolean Whether the custom object definition is active
createdOn string Timestamp when the definition was created
lastModified string Timestamp when the definition was last modified
href string
View JSON Schema on GitHub

JSON Schema

workday-extend-customobjectdefinition-schema.json Raw ↑
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/CustomObjectDefinition",
  "title": "CustomObjectDefinition",
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "description": "Unique identifier for the custom object definition"
    },
    "descriptor": {
      "type": "string",
      "description": "Display name of the custom object type"
    },
    "name": {
      "type": "string",
      "description": "The API name of the custom object type"
    },
    "description": {
      "type": "string",
      "description": "Description of the custom object type"
    },
    "instanceType": {
      "type": "string",
      "enum": [
        "single",
        "multi"
      ],
      "description": "Whether this is a single-instance or multi-instance custom object"
    },
    "parentObjectType": {
      "type": "string",
      "enum": [
        "worker",
        "organization",
        "position",
        "jobProfile"
      ],
      "description": "The standard Workday object type this custom object extends"
    },
    "fields": {
      "type": "array",
      "items": {
        "$ref": "#/components/schemas/CustomObjectField"
      },
      "description": "The fields defined in this custom object"
    },
    "isActive": {
      "type": "boolean",
      "description": "Whether the custom object definition is active"
    },
    "createdOn": {
      "type": "string",
      "format": "date-time",
      "description": "Timestamp when the definition was created"
    },
    "lastModified": {
      "type": "string",
      "format": "date-time",
      "description": "Timestamp when the definition was last modified"
    },
    "href": {
      "type": "string",
      "format": "uri"
    }
  }
}

Work with this as data

Every JSON Schema here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for schemas

4 MCP tools reach this
  • find_json_schemasBrowse and filter every JSON Schema in the catalog.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools

Call it yourself

curl for this page
This JSON Schema
curl "https://apis.io/api/v1/json-schemas/workday-extend-customobjectdefinition"
All schemas
curl "https://apis.io/api/v1/json-schemas?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no email required.

A second provider on the same verified email joins the account you already have.