Custom Django Rest Framework exception. How to add {"Success": false} to the response.

custom_drf_ex.py

from rest_framework.views import exception_handler

def custom_exception_handler(exc):
    # Call REST framework's default exception handler first,
    # to get the standard error response.
    response = exception_handler(exc)

    # Now add the HTTP status code to the response.
    if response is not None:
        response.data['Success'] = False

    return response