---
title: bundleIdentifier
framework: appintents
role: symbol
role_heading: Instance Property
path: appintents/attributedtypeidentifier/bundleidentifier
---

# bundleIdentifier

The bundle identifier that contains this entity type.

## Declaration

```swift
let bundleIdentifier: String?
```

## Discussion

Discussion When non-nil, this value identifies the application bundle that defines the entity type. This helps distinguish between entity types with the same name across different applications.