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---
title: Page Layouts
description: Customize record detail pages — tabs, widgets, and where front components render — using definePageLayout and definePageLayoutTab.
icon: "table-columns"
---
A **page layout** controls how a record's detail page is arranged: which tabs appear and what widgets they contain. Use `definePageLayout()` to declare a layout for an object you own, or `definePageLayoutTab()` to add a single tab to a layout that already exists (yours or a standard Twenty one).
| Use case | Entity |
|----------|--------|
| Define the entire layout for a record page on an object you own | `definePageLayout` |
| Add one tab to an existing layout (your own object, or a standard one) | `definePageLayoutTab` |
## definePageLayout
Use this when you own the entire detail page — typically for a custom object you defined yourself.
```ts src/page-layouts/example-record-page-layout.ts
import { definePageLayout, PageLayoutTabLayoutMode } from 'twenty-sdk/define';
import { EXAMPLE_OBJECT_UNIVERSAL_IDENTIFIER } from '../objects/example-object';
import { HELLO_WORLD_FRONT_COMPONENT_UNIVERSAL_IDENTIFIER } from '../front-components/hello-world';
export default definePageLayout({
universalIdentifier: '203aeb94-6701-46d6-9af1-be2bbcc9e134',
name: 'Example Record Page',
type: 'RECORD_PAGE',
objectUniversalIdentifier: EXAMPLE_OBJECT_UNIVERSAL_IDENTIFIER,
tabs: [
{
universalIdentifier: '6ed26b60-a51d-4ad7-86dd-1c04c7f3cac5',
title: 'Hello World',
position: 50,
icon: 'IconWorld',
layoutMode: PageLayoutTabLayoutMode.CANVAS,
widgets: [
{
universalIdentifier: 'aa4234e0-2e5f-4c02-a96a-573449e2351d',
title: 'Hello World',
type: 'FRONT_COMPONENT',
configuration: {
configurationType: 'FRONT_COMPONENT',
frontComponentUniversalIdentifier:
HELLO_WORLD_FRONT_COMPONENT_UNIVERSAL_IDENTIFIER,
},
},
],
},
],
});
```
### Key points
- `type` is typically `'RECORD_PAGE'` to customize the detail view of a specific object.
- `objectUniversalIdentifier` specifies which object this layout applies to.
- Each `tab` defines a section of the page with a `title`, `position`, and `layoutMode` (`CANVAS` for free-form layout).
- Each `widget` inside a tab can render a [front component](/developers/extend/apps/layout/front-components), a relation list, or other built-in widget types.
- `position` on tabs controls their order. Use higher values (e.g., 50) to place custom tabs after built-in ones.
## definePageLayoutTab
Use this when you only want to **add** a tab to an existing layout — for example, an analytics tab on the standard Company page, or an AI summary tab attached to your own object's layout.
```ts src/page-layouts/example-extra-tab.ts
import {
definePageLayoutTab,
PageLayoutTabLayoutMode,
STANDARD_PAGE_LAYOUT_UNIVERSAL_IDENTIFIERS,
} from 'twenty-sdk/define';
import { HELLO_WORLD_FRONT_COMPONENT_UNIVERSAL_IDENTIFIER } from '../front-components/hello-world';
export default definePageLayoutTab({
universalIdentifier: 'b1b2b3b4-b5b6-4000-8000-000000000001',
pageLayoutUniversalIdentifier:
STANDARD_PAGE_LAYOUT_UNIVERSAL_IDENTIFIERS.companyRecordPage
.universalIdentifier,
title: 'Hello World',
position: 1000,
icon: 'IconWorld',
layoutMode: PageLayoutTabLayoutMode.CANVAS,
widgets: [
{
universalIdentifier: 'b1b2b3b4-b5b6-4000-8000-000000000002',
title: 'Hello World',
type: 'FRONT_COMPONENT',
configuration: {
configurationType: 'FRONT_COMPONENT',
frontComponentUniversalIdentifier:
HELLO_WORLD_FRONT_COMPONENT_UNIVERSAL_IDENTIFIER,
},
},
],
});
```
### Key points
- `pageLayoutUniversalIdentifier` is **required** and must point to a page layout that already exists at install time — either a standard Twenty layout or one defined by your own app. Cross-app references to layouts owned by another installed app are not supported today. When the parent layout is missing, installation fails with a clear validation error.
- For standard Twenty layouts, import identifiers from `twenty-sdk/define`:
```ts
import { STANDARD_PAGE_LAYOUT_UNIVERSAL_IDENTIFIERS } from 'twenty-sdk/define';
// STANDARD_PAGE_LAYOUT_UNIVERSAL_IDENTIFIERS.companyRecordPage.universalIdentifier
// STANDARD_PAGE_LAYOUT_UNIVERSAL_IDENTIFIERS.personRecordPage.universalIdentifier
// STANDARD_PAGE_LAYOUT_UNIVERSAL_IDENTIFIERS.taskRecordPage.universalIdentifier
// STANDARD_PAGE_LAYOUT_UNIVERSAL_IDENTIFIERS.opportunityRecordPage.universalIdentifier
// STANDARD_PAGE_LAYOUT_UNIVERSAL_IDENTIFIERS.noteRecordPage.universalIdentifier
// …
```
Each layout entry also exposes its `tabs` and their `widgets`, so you can reference any level:
```ts
STANDARD_PAGE_LAYOUT_UNIVERSAL_IDENTIFIERS.taskRecordPage.tabs.home.universalIdentifier
STANDARD_PAGE_LAYOUT_UNIVERSAL_IDENTIFIERS.taskRecordPage.tabs.home.widgets.fields.universalIdentifier
```
A short alias `STANDARD_PAGE_LAYOUT` is also available:
```ts
import { STANDARD_PAGE_LAYOUT } from 'twenty-sdk/define';
STANDARD_PAGE_LAYOUT.companyRecordPage.universalIdentifier;
```
- `widgets` are scoped to this tab only — they reference [front components](/developers/extend/apps/layout/front-components), views, etc. exactly like widgets defined inline in `definePageLayout`.
- `position` controls ordering against existing tabs on the targeted layout. Pick a value that places your tab where you want it relative to built-in tabs.
- Use this instead of `definePageLayout` when you only want to add to an existing layout. Use `definePageLayout` when you own the entire layout.