# RecommendationCluster.Builder

# RecommendationCluster.Builder

*** ** * ** ***

Kotlin\|[Java](https://developer.android.com/reference/com/google/android/engage/common/datamodel/RecommendationCluster.Builder "View this page in Java")  

<br />

```
class RecommendationCluster.Builder
```

<br />

*** ** * ** ***

Builder class for[RecommendationCluster](https://developer.android.com/reference/kotlin/com/google/android/engage/common/datamodel/RecommendationCluster).

## Summary

|                                                             ### Public constructors                                                              |
|--------------------------------------------------------------------------------------------------------------------------------------------------|
| [Builder](https://developer.android.com/reference/kotlin/com/google/android/engage/common/datamodel/RecommendationCluster.Builder#Builder())`()` |

|                                                                    ### Public functions                                                                     |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| [RecommendationCluster.Builder](https://developer.android.com/reference/kotlin/com/google/android/engage/common/datamodel/RecommendationCluster.Builder)`!` | `@`[CanIgnoreReturnValue](https://errorprone.info/api/latest/com/google/errorprone/annotations/CanIgnoreReturnValue.html) [addAllDisplayTimeWindow](https://developer.android.com/reference/kotlin/com/google/android/engage/common/datamodel/RecommendationCluster.Builder#addAllDisplayTimeWindow(java.util.List<com.google.android.engage.common.datamodel.DisplayTimeWindow>))`(` ` displayTimeWindows: (`[Mutable](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/-mutable-list/index.html)`)`[List](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/-list/index.html)`<`[DisplayTimeWindow](https://developer.android.com/reference/kotlin/com/google/android/engage/common/datamodel/DisplayTimeWindow)`!>!` `)` Adds display time windows for the recommendation cluster.                                                                              |
| [RecommendationCluster.Builder](https://developer.android.com/reference/kotlin/com/google/android/engage/common/datamodel/RecommendationCluster.Builder)`!` | `@`[CanIgnoreReturnValue](https://errorprone.info/api/latest/com/google/errorprone/annotations/CanIgnoreReturnValue.html) [addDisplayTimeWindow](https://developer.android.com/reference/kotlin/com/google/android/engage/common/datamodel/RecommendationCluster.Builder#addDisplayTimeWindow(com.google.android.engage.common.datamodel.DisplayTimeWindow))`(displayTimeWindow: `[DisplayTimeWindow](https://developer.android.com/reference/kotlin/com/google/android/engage/common/datamodel/DisplayTimeWindow)`!)` Adds a display time window for the recommendation cluster.                                                                                                                                                                                                                                                                                                               |
| [RecommendationCluster.Builder](https://developer.android.com/reference/kotlin/com/google/android/engage/common/datamodel/RecommendationCluster.Builder)`!` | `@`[CanIgnoreReturnValue](https://errorprone.info/api/latest/com/google/errorprone/annotations/CanIgnoreReturnValue.html) [addEntity](https://developer.android.com/reference/kotlin/com/google/android/engage/common/datamodel/RecommendationCluster.Builder#addEntity(com.google.android.engage.common.datamodel.Entity))`(entity: `[Entity](https://developer.android.com/reference/kotlin/com/google/android/engage/common/datamodel/Entity)`!)` Add an[Entity](https://developer.android.com/reference/kotlin/com/google/android/engage/common/datamodel/Entity).                                                                                                                                                                                                                                                                                                                          |
| [RecommendationCluster](https://developer.android.com/reference/kotlin/com/google/android/engage/common/datamodel/RecommendationCluster)`!`                 | [build](https://developer.android.com/reference/kotlin/com/google/android/engage/common/datamodel/RecommendationCluster.Builder#build())`()`                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| [RecommendationCluster.Builder](https://developer.android.com/reference/kotlin/com/google/android/engage/common/datamodel/RecommendationCluster.Builder)`!` | `@`[CanIgnoreReturnValue](https://errorprone.info/api/latest/com/google/errorprone/annotations/CanIgnoreReturnValue.html) [setActionText](https://developer.android.com/reference/kotlin/com/google/android/engage/common/datamodel/RecommendationCluster.Builder#setActionText(java.lang.String))`(actionText: `[String](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`!)` Set the action text associated with the[RecommendationCluster](https://developer.android.com/reference/kotlin/com/google/android/engage/common/datamodel/RecommendationCluster).                                                                                                                                                                                                                                                                                                          |
| [RecommendationCluster.Builder](https://developer.android.com/reference/kotlin/com/google/android/engage/common/datamodel/RecommendationCluster.Builder)`!` | `@`[CanIgnoreReturnValue](https://errorprone.info/api/latest/com/google/errorprone/annotations/CanIgnoreReturnValue.html) [setActionUri](https://developer.android.com/reference/kotlin/com/google/android/engage/common/datamodel/RecommendationCluster.Builder#setActionUri(android.net.Uri))`(actionUri: `[Uri](https://developer.android.com/reference/android/net/Uri.html)`!)` Set the Uri to which user is navigated to on clicking the action text of the .                                                                                                                                                                                                                                                                                                                                                                                                                             |
| [RecommendationCluster.Builder](https://developer.android.com/reference/kotlin/com/google/android/engage/common/datamodel/RecommendationCluster.Builder)`!` | `@`[CanIgnoreReturnValue](https://errorprone.info/api/latest/com/google/errorprone/annotations/CanIgnoreReturnValue.html) [setRecommendationClusterType](https://developer.android.com/reference/kotlin/com/google/android/engage/common/datamodel/RecommendationCluster.Builder#setRecommendationClusterType(int))`(` ` @`[RecommendationClusterType](https://developer.android.com/reference/kotlin/com/google/android/engage/common/datamodel/RecommendationClusterType)` recommendationClusterType: `[Int](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-int/index.html) `)` Sets the[RecommendationClusterType](https://developer.android.com/reference/kotlin/com/google/android/engage/common/datamodel/RecommendationClusterType)of the[RecommendationCluster](https://developer.android.com/reference/kotlin/com/google/android/engage/common/datamodel/RecommendationCluster). |
| [RecommendationCluster.Builder](https://developer.android.com/reference/kotlin/com/google/android/engage/common/datamodel/RecommendationCluster.Builder)`!` | `@`[CanIgnoreReturnValue](https://errorprone.info/api/latest/com/google/errorprone/annotations/CanIgnoreReturnValue.html) [setSubtitle](https://developer.android.com/reference/kotlin/com/google/android/engage/common/datamodel/RecommendationCluster.Builder#setSubtitle(java.lang.String))`(subtitle: `[String](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`!)` Set the subtitle of the[RecommendationCluster](https://developer.android.com/reference/kotlin/com/google/android/engage/common/datamodel/RecommendationCluster).                                                                                                                                                                                                                                                                                                                                |
| [RecommendationCluster.Builder](https://developer.android.com/reference/kotlin/com/google/android/engage/common/datamodel/RecommendationCluster.Builder)`!` | `@`[CanIgnoreReturnValue](https://errorprone.info/api/latest/com/google/errorprone/annotations/CanIgnoreReturnValue.html) [setTitle](https://developer.android.com/reference/kotlin/com/google/android/engage/common/datamodel/RecommendationCluster.Builder#setTitle(java.lang.String))`(title: `[String](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`!)` Set the title of the[RecommendationCluster](https://developer.android.com/reference/kotlin/com/google/android/engage/common/datamodel/RecommendationCluster).                                                                                                                                                                                                                                                                                                                                            |

## Public constructors

### Builder

```
Builder()
```  

## Public functions

### addAllDisplayTimeWindow

```
@CanIgnoreReturnValue
fun addAllDisplayTimeWindow(
    displayTimeWindows: (Mutable)List<DisplayTimeWindow!>!
): RecommendationCluster.Builder!
```

Adds display time windows for the recommendation cluster.

Optional.  

### addDisplayTimeWindow

```
@CanIgnoreReturnValue
fun addDisplayTimeWindow(displayTimeWindow: DisplayTimeWindow!): RecommendationCluster.Builder!
```

Adds a display time window for the recommendation cluster.

Optional.  

### addEntity

```
@CanIgnoreReturnValue
fun addEntity(entity: Entity!): RecommendationCluster.Builder!
```

Add an[Entity](https://developer.android.com/reference/kotlin/com/google/android/engage/common/datamodel/Entity).

Required.  

### build

```
fun build(): RecommendationCluster!
```  

### setActionText

```
@CanIgnoreReturnValue
fun setActionText(actionText: String!): RecommendationCluster.Builder!
```

Set the action text associated with the[RecommendationCluster](https://developer.android.com/reference/kotlin/com/google/android/engage/common/datamodel/RecommendationCluster).

Optional.  

### setActionUri

```
@CanIgnoreReturnValue
fun setActionUri(actionUri: Uri!): RecommendationCluster.Builder!
```

Set the Uri to which user is navigated to on clicking the action text of the .

Optional.  

### setRecommendationClusterType

```
@CanIgnoreReturnValue
fun setRecommendationClusterType(
    @RecommendationClusterType recommendationClusterType: Int
): RecommendationCluster.Builder!
```

Sets the[RecommendationClusterType](https://developer.android.com/reference/kotlin/com/google/android/engage/common/datamodel/RecommendationClusterType)of the[RecommendationCluster](https://developer.android.com/reference/kotlin/com/google/android/engage/common/datamodel/RecommendationCluster).

Optional.  

### setSubtitle

```
@CanIgnoreReturnValue
fun setSubtitle(subtitle: String!): RecommendationCluster.Builder!
```

Set the subtitle of the[RecommendationCluster](https://developer.android.com/reference/kotlin/com/google/android/engage/common/datamodel/RecommendationCluster).

Optional.  

### setTitle

```
@CanIgnoreReturnValue
fun setTitle(title: String!): RecommendationCluster.Builder!
```

Set the title of the[RecommendationCluster](https://developer.android.com/reference/kotlin/com/google/android/engage/common/datamodel/RecommendationCluster).

Required.