About Process Actions
A process action is a specialty rule action that affects an entire process. Actions you can apply to a process include the following:

Start a new process instance

Join a running process instance

Suspend one or more running process instance(s)

Cancel one or more running process instance(s)

Fail one or more running process instance(s)

Resume one or more suspended process instance(s)

Invoke a user task (requiring a manual (human) decision)