# Metadata

Artifact: [androidx.car.app:app](https://developer.android.com/jetpack/androidx/releases/car-app) [View Source](https://cs.android.com/search?q=file:androidx/car/app/model/Metadata.java+class:androidx.car.app.model.Metadata) Added in [1.0.0](https://developer.android.com/jetpack/androidx/releases/car-app#1.0.0)

*** ** * ** ***


```
@CarProtocol
public final class Metadata
```

<br />

*** ** * ** ***

A metadata class used for attaching additional properties to models.

## Summary

| ### Nested types |
|---|
| `public final class https://developer.android.com/reference/androidx/car/app/model/Metadata.Builder` A builder for `https://developer.android.com/reference/androidx/car/app/model/Metadata`. |

| ### Constants |
|---|---|
| `static final https://developer.android.com/reference/androidx/car/app/model/Metadata` | `https://developer.android.com/reference/androidx/car/app/model/Metadata#EMPTY_METADATA()` An empty `https://developer.android.com/reference/androidx/car/app/model/Metadata` instance. |

| ### Public methods |
|---|---|
| `boolean` | `https://developer.android.com/reference/androidx/car/app/model/Metadata#equals(java.lang.Object)(@https://jspecify.dev/docs/api/org/jspecify/annotations/Nullable.html https://developer.android.com/reference/java/lang/Object.html other)` |
| `@https://jspecify.dev/docs/api/org/jspecify/annotations/Nullable.html https://developer.android.com/reference/androidx/car/app/model/Place` | `https://developer.android.com/reference/androidx/car/app/model/Metadata#getPlace()()` Returns a `https://developer.android.com/reference/androidx/car/app/model/Place` instance set in the metadata. |
| `int` | `https://developer.android.com/reference/androidx/car/app/model/Metadata#hashCode()()` |

## Constants

### EMPTY_METADATA

Added in [1.0.0](https://developer.android.com/jetpack/androidx/releases/car-app#1.0.0)

```
public static final Metadata EMPTY_METADATA
```

An empty `https://developer.android.com/reference/androidx/car/app/model/Metadata` instance.

## Public methods

### equals

```
public boolean equals(@Nullable Object other)
```

### getPlace

Added in [1.0.0](https://developer.android.com/jetpack/androidx/releases/car-app#1.0.0)

```
public @Nullable Place getPlace()
```

Returns a `https://developer.android.com/reference/androidx/car/app/model/Place` instance set in the metadata.

| See also |
|---|---|
| `https://developer.android.com/reference/androidx/car/app/model/Metadata.Builder#setPlace(androidx.car.app.model.Place)` |   |

### hashCode

```
public int hashCode()
```