{
  "title": "Create a Custom Object via Metadata API",
  "description": "Example showing how to create a custom 'Invoice' object and add a custom field via the Twenty Metadata API.",
  "steps": [
    {
      "step": 1,
      "title": "Create the custom object",
      "request": {
        "method": "POST",
        "url": "https://api.twenty.com/rest/metadata/objects",
        "headers": {
          "Authorization": "Bearer <your-workspace-token>",
          "Content-Type": "application/json"
        },
        "body": {
          "nameSingular": "invoice",
          "namePlural": "invoices",
          "labelSingular": "Invoice",
          "labelPlural": "Invoices",
          "description": "Customer invoices for billing",
          "icon": "IconFileInvoice"
        }
      },
      "response": {
        "status": 201,
        "body": {
          "data": {
            "createOneObject": {
              "id": "aaaaaaaa-0000-0000-0000-000000000001",
              "createdAt": "2026-06-12T12:00:00.000Z",
              "updatedAt": "2026-06-12T12:00:00.000Z",
              "nameSingular": "invoice",
              "namePlural": "invoices",
              "labelSingular": "Invoice",
              "labelPlural": "Invoices",
              "description": "Customer invoices for billing",
              "icon": "IconFileInvoice",
              "isCustom": true,
              "isActive": true,
              "isSystem": false
            }
          }
        }
      }
    },
    {
      "step": 2,
      "title": "Add an invoice number field",
      "request": {
        "method": "POST",
        "url": "https://api.twenty.com/rest/metadata/fields",
        "headers": {
          "Authorization": "Bearer <your-workspace-token>",
          "Content-Type": "application/json"
        },
        "body": {
          "objectMetadataId": "aaaaaaaa-0000-0000-0000-000000000001",
          "name": "invoiceNumber",
          "label": "Invoice Number",
          "type": "TEXT",
          "description": "Unique invoice identifier",
          "icon": "IconHash",
          "isNullable": false
        }
      },
      "response": {
        "status": 201,
        "body": {
          "data": {
            "createOneField": {
              "id": "bbbbbbbb-0000-0000-0000-000000000002",
              "createdAt": "2026-06-12T12:01:00.000Z",
              "updatedAt": "2026-06-12T12:01:00.000Z",
              "objectMetadataId": "aaaaaaaa-0000-0000-0000-000000000001",
              "name": "invoiceNumber",
              "label": "Invoice Number",
              "type": "TEXT",
              "description": "Unique invoice identifier",
              "icon": "IconHash",
              "isNullable": false,
              "isCustom": true,
              "isSystem": false,
              "isActive": true
            }
          }
        }
      }
    },
    {
      "step": 3,
      "title": "Use the new invoice object via Core API",
      "note": "After creation, the /rest/core/invoices endpoint is immediately available",
      "request": {
        "method": "POST",
        "url": "https://api.twenty.com/rest/core/invoices",
        "headers": {
          "Authorization": "Bearer <your-workspace-token>",
          "Content-Type": "application/json"
        },
        "body": {
          "invoiceNumber": "INV-2026-001"
        }
      },
      "response": {
        "status": 201,
        "body": {
          "data": {
            "createInvoice": {
              "id": "cccccccc-0000-0000-0000-000000000003",
              "createdAt": "2026-06-12T12:02:00.000Z",
              "updatedAt": "2026-06-12T12:02:00.000Z",
              "deletedAt": null,
              "invoiceNumber": "INV-2026-001"
            }
          }
        }
      }
    }
  ]
}