public List<StateEvent> getPendingStateEventList() {
        StreamPreState state = stateHolder.getState();
        try {
            return state.pendingStateEventList;
        } finally {
            stateHolder.returnState(state);
        }
    }
Set as the last element of the processor chain

@param processor Last processor in the chain
modules/siddhi-core/src/main/java/io/siddhi/core/query/input/stream/state/StreamPreStateProcessor.java