====== Hooks ====== Hooks are functions that are called during the execution of a [[:todo|project life cycle]]. While most hooks are declared by the platform developers, some can be declared within an XL project. Such hooks require to extends specific classes. **Note:** there can be several classes that implements any of these two interfaces. They will be ALL executed. ====== ====== {{namespace>:01_user_documentation:03_interacting_with_groimp:08_parameter:03_hook}}