SendToUser (Spring Framework 4.3.30.RELEASE API)

```
@Target({METHOD,TYPE})
@Retention(RUNTIME)
@Documented
public @interface SendToUser
```
Annotation that indicates that the return value of a message-handling method should be sent as a Message to the specified destination(s) prepended with "/user/{username}" where the user name is extracted from the headers of the input message being handled.
The annotation may also be placed at class-level in which case all methods in the class where the annotation applies will inherit it.
Since:
4.0
Author:
Rossen Stoyanchev, Sam Brannen
See Also:
SendToMethodReturnValueHandler, UserDestinationMessageHandler, SimpMessageHeaderAccessor.getUser()

Optional Element Summary

Optional Elements
Modifier and Type	Optional Element	Description
`boolean`	`broadcast`	Whether messages should be sent to all sessions associated with the user or only to the session of the input message being handled.
`String[]`	`destinations`	One or more destinations to send a message to.
`String[]`	`value`	Alias for `destinations()`.

- Element Detail
  - value
```
@AliasFor("destinations")
String[] value
```
    Alias for destinations().
    See Also:
    destinations()
    Default:
    {}
- - destinations
```
@AliasFor("value")
String[] destinations
```
    One or more destinations to send a message to.
    If left unspecified, a default destination is selected based on the destination of the input message being handled.
    Since:
    4.2
    See Also:
    value(), SendToMethodReturnValueHandler
    Default:
    {}
- - broadcast
```
boolean broadcast
```
    Whether messages should be sent to all sessions associated with the user or only to the session of the input message being handled.
    By default, this is set to true in which case messages are broadcast to all sessions.
    Default:
    true