Invokes user code that handles double or invalid submits.
| Modifiers | Name | Description | 
|---|---|---|
| java.lang.String | INVALID_TOKEN_ATTRIBUTE | |
| java.lang.String | KEY | 
| Type Params | Return Type | Name and description | 
|---|---|---|
|  | java.lang.Object | invalidToken(groovy.lang.Closure callable)Specify behavior in the event of an invalid token. | 
|  | boolean | wasInvalidToken()Return whether the token was invalid | 
|  | boolean | wasInvoked()Return whether the response handle was invoked. | 
Specify behavior in the event of an invalid token.
callable -  The closure to invoke in the event of an invalid tokenReturn whether the token was invalid
Return whether the response handle was invoked.