---
title: persistentIdentifier
framework: appintents
role: symbol
role_heading: Instance Property
path: appintents/attributedtypeidentifier/persistentidentifier
---

# persistentIdentifier

The persistent identifier for this entity type.

## Declaration

```swift
let persistentIdentifier: String
```

## Discussion

Discussion This identifier typically corresponds to the struct name of the original entity declaration (for example, LandmarkEntity). The system uses this value to uniquely identify the entity type within its bundle.