**report a *bug*?**

**What is the current behavior?**

onToggle prop attached to a details html element does not attach the event handler , instead shows a warning "Warning: Unknown prop `onToggle` on `<details>` tag. Remove this prop from the element. For details, see https://fb.me/react-unknown-prop
    in details (created by Details) ...

**If the current behavior is a bug, please provide the steps to reproduce and if possible a minimal demo of the problem via https://jsfiddle.net or similar (template: https://jsfiddle.net/reactjs/69z2wepo/).**

No time right now

**What is the expected behavior?**

-

**Which versions of React, and which browser / OS are affected by this issue? Did this work in previous versions of React?**

Latest

WorkAround:

Use onClick instead, (does not work fire event handler when details is opened with keyboard !)
/**
 * Copyright 2013-present, Facebook, Inc.
 * All rights reserved.
 *
 * This source code is licensed under the BSD-style license found in the
 * LICENSE file in the root directory of this source tree. An additional grant
 * of patent rights can be found in the PATENTS file in the same directory.
 *
 * @providesModule SimpleEventPlugin
 * @flow
 */
'use strict';
var EventPropagators = require('EventPropagators');
var SyntheticAnimationEvent = require('SyntheticAnimationEvent');
var SyntheticClipboardEvent = require('SyntheticClipboardEvent');
var SyntheticEvent = require('SyntheticEvent');
var SyntheticFocusEvent = require('SyntheticFocusEvent');
var SyntheticKeyboardEvent = require('SyntheticKeyboardEvent');
var SyntheticMouseEvent = require('SyntheticMouseEvent');
var SyntheticDragEvent = require('SyntheticDragEvent');
var SyntheticTouchEvent = require('SyntheticTouchEvent');
var SyntheticTransitionEvent = require('SyntheticTransitionEvent');
var SyntheticUIEvent = require('SyntheticUIEvent');
var SyntheticWheelEvent = require('SyntheticWheelEvent');
var getEventCharCode = require('getEventCharCode');
var invariant = require('invariant');
import type {TopLevelTypes} from 'EventConstants';
import type {
  DispatchConfig,
  ReactSyntheticEvent,