Subscription (javadoc 3.4.0 API)

```
@Documented
@Retention(RUNTIME)
@Target(METHOD)
public @interface Subscription
```
Represents a PubSub subscription. Methods annotated with this annotation will be invoked when a new message is received by a MessageReceiver that is bound to the annotated method.

Since:

2.0

Author:

Vinicius Carvalho

Required Element Summary

Required Elements
Modifier and Type	Required Element	Description
`java.lang.String`	`value`	The name of the subscription, it could be a simple name such as "animals" or a FQN such as `projects/<project_name>/subscriptions/<subscription_name>`.

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 Subscriber.
`java.lang.String`	`contentType`	Defines the Content-Type to be used for message deserialization.

- Element Detail
  - value
```
java.lang.String value
```
    The name of the subscription, it could be a simple name such as "animals" or a FQN such as projects/<project_name>/subscriptions/<subscription_name>.
    
    Returns:
    
    the subscription name
- - contentType
```
java.lang.String contentType
```
    Defines the Content-Type to be used for message deserialization. Defaults to application/json.
    
    Returns:
    
    contentType to use
    
    Default:
    
    "application/json"
- - configuration
```
java.lang.String configuration
```
    Defines the name of a particular configuration used for a Subscriber. Configurations can be set via gcp.pubsub.subscriber.*
    
    Returns:
    
    configuration name to use for Subscriber
    
    Default:
    
    ""