CurrentSecurityContext (spring-security-docs-manual 5.5.1 API)

```
@Target({PARAMETER,ANNOTATION_TYPE})
@Retention(RUNTIME)
@Documented
public @interface CurrentSecurityContext
```
Annotation that is used to resolve the SecurityContext as a method argument.

Since:

5.2
See: CurrentSecurityContextArgumentResolver For Servlet

See: CurrentSecurityContextArgumentResolver For WebFlux

Optional Element Summary

Optional Elements
Modifier and Type	Optional Element	Description
`boolean`	`errorOnInvalidType`	True if a `ClassCastException` should be thrown when the current `SecurityContext` is the incorrect type.
`java.lang.String`	`expression`	If specified, will use the provided SpEL expression to resolve the security context.

- Element Detail
  - errorOnInvalidType
```
boolean errorOnInvalidType
```
    True if a ClassCastException should be thrown when the current SecurityContext is the incorrect type. Default is false.
    
    Returns:
    
    whether or not to error on an invalid type
    
    Default:
    
    false
- - expression
```
java.lang.String expression
```
    If specified, will use the provided SpEL expression to resolve the security context. This is convenient if applications need to transform the result. For example, if an application needs to extract its custom Authentication implementation, then it could specify the appropriate SpEL like so:
    @CurrentSecurityContext(expression = "authentication") CustomAuthentication authentication
    Returns:
    
    the expression to use
    
    Default:
    
    ""