This part of the reference documentation explains the core functionality that Spring Statemachine provides to any Spring based application.
Chapter 4, Statemachine Configuration describes the generic configuration support.
Chapter 5, State Machine Factories describes the generic state machine factory support.
Chapter 9, Triggering Transitions describes the use of triggers.
Chapter 10, Listening State Machine Events describes the use of state machine listeners.
Chapter 11, Context Integration describes the generic Spring application context support.