4.5.5.2 Filter Members
- closed
- 
  A boolean value indicating whether a filter is closed.
  (Read-Only)
- name
- 
  String. The name under which this filter is registered.
  (Read-Only)
- req
- 
  A reference to the request object.
  (Read-Only)
- is_input
- 
  Boolean. True if this is an input filter.
  (Read-Only)
- handler
- 
  String. The name of the Python handler for this filter as specified in
  the configuration. 
  (Read-Only)