# Google Cloud Managed Kafka V1 Client - Class UpdateTopicRequest (0.8.0)

0.8.0 (latest) 0.7.2 0.6.1 0.5.0 0.4.1 0.3.1 0.2.3 0.1.3 Reference documentation and code samples for the Google Cloud Managed Kafka V1 Client class UpdateTopicRequest.

Request for UpdateTopic.

Generated from protobuf message `google.cloud.managedkafka.v1.UpdateTopicRequest`

## Namespace

Google \\ Cloud \\ ManagedKafka \\ V1

## Methods

### __construct

Constructor.

| **Parameters** ||
|---|---|
| **Name** | **Description** |
| `data` | `array` Optional. Data for populating the Message object. |
| `↳ update_mask` | `https://protobuf.dev/reference/php/api-docs/Google/Protobuf/FieldMask` Required. Field mask is used to specify the fields to be overwritten in the Topic resource by the update. The fields specified in the update_mask are relative to the resource, not the full request. A field will be overwritten if it is in the mask. The mask is required and a value of \* will update all fields. |
| `↳ topic` | `https://docs.cloud.google.com/php/docs/reference/cloud-managedkafka/latest/V1.Topic` Required. The topic to update. Its `name` field must be populated. |

### getUpdateMask

Required. Field mask is used to specify the fields to be overwritten in the
Topic resource by the update. The fields specified in the update_mask are
relative to the resource, not the full request. A field will be overwritten
if it is in the mask. The mask is required and a value of \* will update all
fields.

| **Returns** ||
|---|---|
| **Type** | **Description** |
| `https://protobuf.dev/reference/php/api-docs/Google/Protobuf/FieldMask|null` |   |

### hasUpdateMask

### clearUpdateMask

### setUpdateMask

Required. Field mask is used to specify the fields to be overwritten in the
Topic resource by the update. The fields specified in the update_mask are
relative to the resource, not the full request. A field will be overwritten
if it is in the mask. The mask is required and a value of \* will update all
fields.

| **Parameter** ||
|---|---|
| **Name** | **Description** |
| `var` | `https://protobuf.dev/reference/php/api-docs/Google/Protobuf/FieldMask` |

| **Returns** ||
|---|---|
| **Type** | **Description** |
| `$this` |   |

### getTopic

Required. The topic to update. Its `name` field must be populated.

| **Returns** ||
|---|---|
| **Type** | **Description** |
| `https://docs.cloud.google.com/php/docs/reference/cloud-managedkafka/latest/V1.Topic|null` |   |

### hasTopic

### clearTopic

### setTopic

Required. The topic to update. Its `name` field must be populated.

| **Parameter** ||
|---|---|
| **Name** | **Description** |
| `var` | `https://docs.cloud.google.com/php/docs/reference/cloud-managedkafka/latest/V1.Topic` |

| **Returns** ||
|---|---|
| **Type** | **Description** |
| `$this` |   |

### static::build

| **Parameters** ||
|---|---|
| **Name** | **Description** |
| `topic` | `https://docs.cloud.google.com/php/docs/reference/cloud-managedkafka/latest/V1.Topic` Required. The topic to update. Its `name` field must be populated. |
| `updateMask` | `https://protobuf.dev/reference/php/api-docs/Google/Protobuf/FieldMask` Required. Field mask is used to specify the fields to be overwritten in the Topic resource by the update. The fields specified in the update_mask are relative to the resource, not the full request. A field will be overwritten if it is in the mask. The mask is required and a value of \* will update all fields. |

| **Returns** ||
|---|---|
| **Type** | **Description** |
| `https://docs.cloud.google.com/php/docs/reference/cloud-managedkafka/latest/V1.UpdateTopicRequest` |   |