Your application logic is defined in a trigger.
The available trigger event types and trigger actions on a node depends on the product installed and the packages or extensions installed on the node.
The first several sections of this Projects and Triggers guide describe the general concepts and tasks that apply to projects and triggers.
The reference sections: Trigger event type reference and Trigger actions reference provide the reference information along with concepts and examples of the available trigger event types and trigger actions.
This section contains the following: