IElementReference (Eclipse Platform API Specification)

```
public interface IElementReference
```
the ICommandService will return a reference for all callbacks that are registered. This reference can be used to unregister the specific callback.
Similar in functionality to an IHandlerActivation. This interface should not be implemented or extended by clients.

Since:

3.3

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`String`	`getCommandId()`	The command id that this callback was registered against.
`UIElement`	`getElement()`	The callback that was registered.
`Map`	`getParameters()`	Parameters that help scope this callback registration.

- Method Detail
  - getCommandId
```
String getCommandId()
```
    The command id that this callback was registered against.
    
    Returns:
    
    The command id. Will not be null.
  - getElement
```
UIElement getElement()
```
    The callback that was registered.
    
    Returns:
    
    Adapts to provide appropriate user feedback. Will not be null.
  - getParameters
```
Map getParameters()
```
    Parameters that help scope this callback registration. For example, it can include parameters from the ParameterizedCommand. Callers should not change the map that is returned.
    
    Returns:
    
    scoping parameters. Will not be null.