OnEntry

```
@Retention(RUNTIME)
@Target(METHOD)
public @interface OnEntry
```
Annotation used on methods to indicate that the method will be executed before entering a certain state

- Required Element Summary
  
  Required Elements
  Modifier and Type Required Element Description
  
  java.lang.String value
  Sets the id of related state.

- Element Detail
  - value
```
java.lang.String value
```
    Sets the id of related state.
    
    Returns:
    
    The id of the related state