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62 lines
4.3 KiB
Plaintext
62 lines
4.3 KiB
Plaintext
---
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title: Panoramica
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description: TypeScript lato server che viene eseguito all'interno di Twenty — attivato da route HTTP, pianificazioni cron, eventi del database, strumenti di AI o azioni di workflow.
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icon: bolt
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---
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Il **livello logico** di un'app Twenty è il codice che *viene eseguito* — handler TypeScript lato server che reagiscono a richieste HTTP, pianificazioni cron e modifiche ai record; skill e agenti di AI che vivono all'interno dello spazio di lavoro; e connessioni OAuth che permettono alle tue funzioni di agire per conto dell'utente in servizi di terze parti.
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```text
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┌─ HTTP route ──┐
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│ Cron schedule │
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│ Database event │ ┌────────────────────┐
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triggers ─┤ AI tool call ├─────▶│ Logic function │
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│ Workflow action │ │ (your handler) │
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│ Manual exec │ └────────────────────┘
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└────────────────────┘ │
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▼
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┌────────────────────────────┐
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│ Twenty API (records) │
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│ Third-party API │
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│ (via Connection token) │
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└────────────────────────────┘
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```
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## In questa sezione
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<CardGroup cols={2}>
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<Card title="Funzioni logiche" icon="bolt" href="/l/it/developers/extend/apps/logic/logic-functions">
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Il blocco di base — tipi di trigger, payload e client API tipizzato.
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</Card>
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<Card title="Skill e agenti" icon="robot" href="/l/it/developers/extend/apps/logic/skills-and-agents">
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Istruzioni riutilizzabili per agenti AI e assistenti con prompt di sistema personalizzati.
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</Card>
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<Card title="Connessioni" icon="plug" href="/l/it/developers/extend/apps/logic/connections">
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Credenziali OAuth che la tua app detiene per servizi di terze parti — Linear, GitHub, Slack e altri.
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</Card>
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<Card title="Archivio chiave-valore" icon="database" href="/l/it/developers/extend/apps/logic/key-value-store">
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Mantieni lo stato tra le esecuzioni delle funzioni di logica — cache, cursori e asserzioni tra spazi di lavoro.
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</Card>
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<Card title="Job in background" icon="layer-group" href="/l/it/developers/extend/apps/logic/background-jobs">
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Metti in coda l’esecuzione di una funzione di logica sui worker per superare il timeout per esecuzione.
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</Card>
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</CardGroup>
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## Tipi di trigger in sintesi
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Una funzione logica sceglie uno o più trigger — ogni voce qui sotto è un campo separato su `defineLogicFunction()`:
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| Scatenante | Quando viene eseguito | Impostazione |
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| ----------------------- | --------------------------------------------------------------------- | ------------------------------- |
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| **Route HTTP** | Una richiesta raggiunge il tuo endpoint `/s/\<path>` | `httpRouteTriggerSettings` |
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| **Cron** | Viene soddisfatta un'espressione CRON | `cronTriggerSettings` |
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| **Evento database** | Un record dello spazio di lavoro viene creato, aggiornato o eliminato | `databaseEventTriggerSettings` |
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| **Strumento AI** | Una funzionalità AI di Twenty decide di chiamare la tua funzione | `toolTriggerSettings` |
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| **Azione del workflow** | Uno step di workflow richiama la tua funzione | `workflowActionTriggerSettings` |
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Le funzioni vengono eseguite in sandbox in processi Node.js isolati e accedono allo spazio di lavoro tramite un client API tipizzato, limitato al ruolo dichiarato su [`defineApplication()`](/l/it/developers/extend/apps/config/application).
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<Note>
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**Hook di installazione** — codice che viene eseguito prima o dopo l'installazione — condividono questo runtime ma usano le proprie funzioni define e risiedono in [Config → Install Hooks](/l/it/developers/extend/apps/config/install-hooks).
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</Note>
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