---
title: "Read the app's definition log"
description: "Who changed the schema, rules, members, automations, pages and views, newest first; no row data."
canonical: "https://grid82.com/docs/builder-api/apps/log"
updated: "2026-11-13"
---

# Read the app's definition log

`GET https://studio.grid82.app/v1/apps/{appId}/log`

Who changed the schema, rules, members, automations, pages and views, newest first; no row data.

`by`: a user id. Via `ui`: the Studio.

Requires the `members:read` scope. Operation `apps.log`. MCP tool `apps_log`. CLI: `grid82 apps log` (`npx grid82`).

## Path parameters

| Name    | Type   | Required | Description |
| ------- | ------ | -------- | ----------- |
| `appId` | string | yes      |             |

## Query parameters

| Name     | Type    | Required | Description           |
| -------- | ------- | -------- | --------------------- |
| `limit`  | integer | no       | Default `50`.         |
| `cursor` | string  | no       | Up to 512 characters. |
| `from`   | string  | no       | Up to 40 characters.  |
| `to`     | string  | no       | Up to 40 characters.  |
| `by`     | string  | no       | Up to 64 characters.  |
| `what`   | string  | no       | Up to 200 characters. |

**Authorizations**

- `Authorization` (bearer, in header, required)

## Response

**200**: Success

- `data` (`object[]`, required)
- `data.id` (`string`, required)
- `data.at` (`string`, required)
- `data.actor` (`object`, required)
- `data.actor.userId` (`string`, required)
- `data.actor.via` (`string`, required)
- `data.ops` (`object[]`, required)
- `data.ops.kind` (`string`, required)
- `data.ops.member` (`object`)
- `data.ops.member.userId` (`string`)
- `data.ops.member.roles` (`string[]`)
- `data.ops.member.status` (`string`)
- `meta` (`object`, required)
- `meta.nextCursor` (`string,null`, required): Pass as `cursor` for the next page. Null on the last one.
- `meta.hasMore` (`boolean`, required)
- `meta.fields` (`Record<string, string>`): Field id to field name, for the table the records came from.

```json
{
  "data": [
    {
      "id": "<string>",
      "at": "<string>",
      "actor": {
        "userId": "<string>",
        "via": "<string>"
      },
      "ops": [
        {
          "kind": "<string>",
          "member": {
            "userId": "<string>",
            "roles": [
              "<string>"
            ],
            "status": "<string>"
          }
        }
      ]
    }
  ],
  "meta": {
    "nextCursor": null,
    "hasMore": true,
    "fields": {}
  }
}
```

**4XX**: Refused

- `error` (`object`, required)
- `error.code` (`enum<string>`, required, one of: `not_found, forbidden, unauthenticated, validation_failed, conflict, rate_limited, payment_required, not_implemented, internal`)
- `error.message` (`string`, required)
- `error.details` (`Record<string, unknown>`)

```json
{
  "error": {
    "code": "not_found",
    "message": "<string>",
    "details": {}
  }
}
```

**Example request**

```bash
curl --request GET \
  --url 'https://studio.grid82.app/v1/apps/<appId>/log' \
  --header 'Authorization: Bearer <token>'
```