apply_filters( 'sensei_question_answer_message_css_class', $answer_notes_classname, $lesson_id, $question_id, $user_id, $answer_correct ) → {string}
Filter the answer message CSS classes.
Parameters:
| Name | Type | Description | 
|---|---|---|
$answer_notes_classname | 
            
            string | Space-separated CSS classes to apply to answer message.  | 
        
$lesson_id | 
            
            int | Lesson ID.  | 
        
$question_id | 
            
            int | Question ID.  | 
        
$user_id | 
            
            int | User ID.  | 
        
$answer_correct | 
            
            bool | Whether this is the correct answer.  | 
        
- Since:
 - 1.9.0
 
- Source:
 
Returns:
Space-separated CSS classes to apply to answer message.
- Type
 - string