---
title: "init(identifier:customIndexingKey:asyncGetter:)"
framework: appintents
role: symbol
role_heading: Initializer
path: "appintents/entityproperty/init(identifier:customindexingkey:asyncgetter:)-iyug"
---

# init(identifier:customIndexingKey:asyncGetter:)

## Declaration

```swift
convenience init<Entity>(identifier: String, customIndexingKey: CSCustomAttributeKey, asyncGetter: @escaping @Sendable (Entity) async throws -> Value) where Entity : AppEntity
```