Any on e help me how to configure the this plugin bakkerij / notifier?

bakkerij/ notifier

How to add and uss this plugin this my project Please any on help me. any example Please gitve any realtime example.

The page you linked to has installation and usage instructions. What, specifically, isn’t working for you?

Yes, I know that it’s an installation but there is no any instruction to how to use. and by the way
there is problem is there is error in installation about version not supported the 3.5 above. how can use this plugin in cakephp 3.7 above versions Please any suggestions.