How to set flash message in sonata admin Admin Controller

Yes, you can set a flash message in an admin class. First, you can define a custom flash message type for the SonataCoreBundle. For example, if you want a success flash message type, add this in the app/config/config.yml file:

sonata_core:    flashmessage:        success:            types:                - { type: mytodo_success, domain: MyToDoBundle }

Then, you need to know when to set the message. For example, if you want to set the message after creating a new entity, you can do so overriding the postPersist function in your admin class, and adding the message in the Symfony flash bag:

public function postPersist($object) {    $this->getRequest()->getSession()->getFlashBag()->add("mytodo_success", "My To-Do custom success message");}

This way, the message will be displayed whenever you create a new entity at the admin class.

You can also use the default type success:

public function postPersist($object) {    $this->getRequest()->getSession()->getFlashBag()->add("success", "My To-Do custom success message");}

Because it is an Admin class I get the flashbag over the Session service:

protected function whereever(){    $this->getFlashBag()->add(        'info',        'Your message'    );}...protected function getFlashBag(){    return $this->getConfigurationPool()->getContainer()->get('session')->getFlashBag();}

Cheers

You are talking about an admin class, not a controller.

And this is not possible by default. Best way to do this is to write a custom CRUDController (extend from default one) and handle it there.