Hook (HAPI FHIR - Core Library 4.2.0 API)

```
@Target(METHOD)
@Retention(RUNTIME)
public @interface Hook
```
This annotation should be placed on interceptor methods. The value=Pointcut property determines which event is actually being invoked. See the Pointcut JavaDoc for information on available method parameters for a given hook.

See Also:

Interceptor

- Required Element Summary
  
  Required Elements
  Modifier and Type Required Element Description
  
  Pointcut value
  Provides the specific point where this method should be invoked
- Optional Element Summary
  
  Optional Elements
  Modifier and Type Optional Element Description
  
  int order
  The order that interceptors should be called in.

- Element Detail
  - value
```
Pointcut value
```
    Provides the specific point where this method should be invoked
- - order
```
int order
```
    The order that interceptors should be called in. Lower numbers happen before higher numbers. Default is 0 and allowable values can be positive or negative or 0.
    If no order is specified, or the order is set to 0 (the default order), the order specified at the interceptor type level will take precedence.
    
    Default:
    
    0