# ProvidedColumnTypeConverter

Artifact: [androidx.room3:room3-common](https://developer.android.com/jetpack/androidx/releases/room3) [View Source](https://cs.android.com/search?q=file:androidx/room3/ProvidedColumnTypeConverter.kt+class:androidx.room3.ProvidedColumnTypeConverter) Added in [3.0.0](https://developer.android.com/jetpack/androidx/releases/room3#3.0.0)

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Common/AllAndroid/JVMNative/C/iOSJavaScript
- Cmn

  ```
  @Target(allowedTargets = [AnnotationTarget.CLASS])
  @Retention(value = AnnotationRetention.BINARY)
  annotation ProvidedColumnTypeConverter
  ```

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Marks a class containing `https://developer.android.com/reference/kotlin/androidx/room3/ColumnTypeConverter` functions provided to Room at runtime.

Pass an instance of the annotated class to `https://developer.android.com/reference/kotlin/androidx/room3/RoomDatabase.Builder#addColumnTypeConverter(kotlin.Any)`. Room verifies that the converter is provided in the builder and throws an exception if missing.

## Summary

| ### Public constructors |
|---|---|
| `https://developer.android.com/reference/kotlin/androidx/room3/ProvidedColumnTypeConverter#ProvidedColumnTypeConverter()()` | Cmn |

## Public constructors

### ProvidedColumnTypeConverter

Cmn

```
ProvidedColumnTypeConverter()
```