A process is a stateful instantiation of a scenario. Specific users are assigned as the defined actors. At any moment you are at a specific state in the process, from which you can do a number of actions.
A process is a deterministic projection, generated by processing responses following the update instructions and transitions of the scenario.
Starting a process
Processes need to be explicitly started via an event with a process resource. This resource should only contain the $schema, id, scenario and actors properties.