def METHOD_NAME(operation: str = None, context: bool = True, expand: bool = True):
    """
    Decorator that indicates that the given function is a handler
    """
    def wrapper(fn):
        @functools.wraps(fn)
        def operation_marker(*args, **kwargs):
            return fn(*args, **kwargs)
        operation_marker.operation = operation
        operation_marker.expand_parameters = expand
        operation_marker.pass_context = context
        return operation_marker
    return wrapper