Topic (javadoc 3.1.1 API)

```
@Documented
@Retention(RUNTIME)
@Target(METHOD)
public @interface Topic
```
Represents a pubsub topic to be used by classes annotated with PubSubClient.

Since:

2.0.0

Author:

Vinicius Carvalho

Required Element Summary

Required Elements
Modifier and Type Required Element Description

java.lang.String value
Set the name of the topic used to publish messages.

Optional Element Summary

Optional Elements
Modifier and Type	Optional Element	Description
`java.lang.String`	`configuration`	Defines the name of a particular configuration used for a Publisher.
`java.lang.String`	`contentType`	Defines the Content-Type to be used for message serialization.

- Element Detail
  - value
```
java.lang.String value
```
    Set the name of the topic used to publish messages. Valid names are simple names such as "animals" or FQN names such as projects/<project_name>/topics/<topic_name>
    
    Returns:
    
    The name of the topic to publish messages to
- - contentType
```
java.lang.String contentType
```
    Defines the Content-Type to be used for message serialization. Defaults to application/json if not set by the user.
    
    Returns:
    
    contentType to use
    
    Default:
    
    "application/json"
- - configuration
```
java.lang.String configuration
```
    Defines the name of a particular configuration used for a Publisher. Configurations can be set via gcp.pubsub.subscriber.*
    
    Returns:
    
    configuration name to use for Publisher
    
    Default:
    
    ""