Summary: In this topic you will learn how delegates are used to perform a validation or a handling upon removing an object, bringing it online of taking it offline.
Prerequisites: Configurator / Invokers, Supervisor
General duration: about 1 day
![](https://objective-academy.com/pluginfile.php/3547/course/overviewfiles/delegates.png)
- Teacher: Evi Plasschaert
User_Type: Student