Topic (dapr-sdk-parent 1.10.0 API)

@Documented
@Target(METHOD)
@Retention(RUNTIME)
public @interface Topic

Required Element Summary

Required Elements
Modifier and Type Required Element Description

String name
Name of topic to be subscribed to.

String pubsubName
Name of the pubsub bus to be subscribed to.

Optional Element Summary

Optional Elements
Modifier and Type	Optional Element	Description
`String`	`deadLetterTopic`	Name of dead letter topic to forward undeliverable messages.
`String`	`metadata`	Metadata in the form of a json object.
`Rule`	`rule`	The rules used to match the incoming cloud event.

- Element Detail
  - name
```
String name
```
    Name of topic to be subscribed to.
    
    Returns:
    
    Topic's name.
- - pubsubName
```
String pubsubName
```
    Name of the pubsub bus to be subscribed to.
    
    Returns:
    
    pubsub bus's name.
- - rule
```
Rule rule
```
    The rules used to match the incoming cloud event.
    
    Returns:
    
    the CEL expression.
    
    Default:
    
    @io.dapr.Rule(match="", priority=0)
- - metadata
```
String metadata
```
    Metadata in the form of a json object. { "mykey": "myvalue" }
    
    Returns:
    
    metadata object
    
    Default:
    
    "{}"
- - deadLetterTopic
```
String deadLetterTopic
```
    Name of dead letter topic to forward undeliverable messages.
    
    Returns:
    
    dead letter topic's name.
    
    Default:
    
    ""