Throw events in form block

Description

Background

It should be possible to modify the form block or do some actions after execution.

Required events

preLoad (after building model, before form build)
preFlush (after form submit, before save)
postFlush (after save)

New events must be added to the Events documentation as well.

Technical tasks

None

Deployment actions

None

Status

Assignee

Unassigned

Client

Integrated Marijn

Epic Link

Sprint

None

Fix versions

Configure