Messages are used to show a User of the plugin some information. They have three types: success, warning or error. These messages will be displayed at the top of the WordPress admin area. Messages can be used anywhere in the plugin by referencing Notifier.

use Herbert\Framework\Notifier;

Adding a Success Message

Notifier::success('Finished installing');

Adding a Warning Message

Notifier::warning('We recommend clearing your cache');

Adding a Error Message

Notifier::error('Something has gone wrong');