Magento 2: how to display notification after module install via zip/composer?

Question

I want to display a backend admin notification

Example:Your module Test_Product installed successfully!

In the yellow bar after my custom module Test_Product will be installed successfully in Magento instance via zip/composer.

So how can I achieve this functionality?

Answer 1

This is the responsible class: Magento\Framework\Notification\MessageList

You can check this tutorial for a complete example: https://www.atwix.com/magento-2/add-custom-admin-system-message/