# notification Consul UIs notification modifier is used to 'hoist' DOM elements into the global notification area for the UI. The most common usage will be something like the below: ```hbs preview-template
Attach a Warning notice to the top of the app ^^^
Warning!

This service has been deregistered and no longer exists in the catalog.

``` Currently this is backed by `ember-cli-flash` and the named options are currently options that can be accepted by `ember-cli-flash`. Be aware that this is likely to change in the future.