d2f51cc939
- removes pre-install function
- execute **asyncrhonously** post-install function at application
installation
- add optional `shouldRunOnVersionUpgrade` boolean value on post-install
function definition default false
- update PostInstallPayload to
```
export type PostInstallPayload = {
previousVersion?: string;
newVersion: string;
};
```
---------
Co-authored-by: Charles Bochet <charles@twenty.com>
Postcard App — Twenty App Example
A rich example app showcasing all Twenty app entity types. Use this as a reference when building your own apps.
What's included
This app demonstrates every entity type available in the Twenty SDK:
| Entity | Files | What it shows |
|---|---|---|
| Application | src/application.config.ts |
App metadata, application variables, server variables |
| Objects | src/objects/ |
Custom objects with inline fields, junction tables |
| Fields | src/fields/ |
Standalone fields, relations (ONE_TO_MANY, MANY_TO_ONE), extending standard objects |
| Logic Functions | src/logic-functions/ |
HTTP routes, database event triggers, cron schedules, tool functions, install hooks |
| Front Components | src/components/ |
React components rendered inside Twenty's UI |
| Roles | src/roles/ |
Permission roles with object and field-level access control |
| Views | src/views/ |
Saved table views with column configuration |
| Navigation | src/navigation-menu-items/ |
Sidebar links targeting views |
| Skills | src/skills/ |
AI skill providing context to agents |
| Agents | src/agents/ |
AI agent with a system prompt |
| Page Layouts | src/page-layouts/ |
Custom record page with a front component widget |
Getting started
# From this directory
yarn install
yarn twenty dev
Or use it as a template via create-twenty-app:
npx create-twenty-app@latest my-app --example postcard