def add_config_argument(arguments)
      arguments['_config'] = @config.clone
      arguments['_config'].delete_if { |k, _| arguments.key?(k) }
      arguments['_config'].delete_if do |k, _|
        @config.class.const_get('DEFAULTS').stringify_keys.key?(k)
      end
      arguments
    end
def add_config_argument(arguments)
      arguments['_config'] = @config.clone
      arguments['_config'].delete_if { |k, _| arguments.key?(k) }
      arguments['_config'].delete_if do |k, _|
        @config.class.const_get('DEFAULTS').stringify_keys.key?(k)
      end
      arguments
    end
Public: Add config arguement

 TODO: Move to a normal object: TriggerArgument

 arguments   - Hash of arguments.

 Returns Hash of arguments.