org.springframework.messaging.handler.annotation

## Annotation Type DestinationVariable

-     @Target(value=PARAMETER)
       @Retention(value=RUNTIME)
       @Documented
      public @interface DestinationVariable

  Annotation that indicates a method parameter should be bound to a template variable in a destination template string. Supported on message handling methods such as `@MessageMapping`.

  A `@DestinationVariable` template variable is always required.

  Since:
    4.0
  Author:
    Brian Clozel, Rossen Stoyanchev
  See Also:
    `MessageMapping`, `SimpAnnotationMethodMessageHandler`

- - ### Optional Element Summary

    Optional Elements
    Modifier and Type | Optional Element and Description
    --- | ---
    `String` | `value` The name of the destination template variable to bind to.

- - ### Element Detail

    - #### value

          public abstract String value

      The name of the destination template variable to bind to.
      Default:
        ""