# ThumbarButton Object

* `icon` [NativeImage](../native-image.md) - The icon showing in thumbnail
  toolbar.
* `click` Function
* `tooltip` string (optional) - The text of the button's tooltip.
* `flags` string[] (optional) - Control specific states and behaviors of the
  button. By default, it is `['enabled']`.

The `flags` is an array that can include following `string`s:

* `enabled` - The button is active and available to the user.
* `disabled` - The button is disabled. It is present, but has a visual state
  indicating it will not respond to user action.
* `dismissonclick` - When the button is clicked, the thumbnail window closes
  immediately.
* `nobackground` - Do not draw a button border, use only the image.
* `hidden` - The button is not shown to the user.
* `noninteractive` - The button is enabled but not interactive; no pressed
  button state is drawn. This value is intended for instances where the button
  is used in a notification.