EVSYS gen1 not declared?

[FactoryOptic]

ATtiny3227

#include <Event.h>
#include <Logic.h>

void setup() {
    // EVSYS.ASYNCCH0 = EVSYS_ASYNCCH0_PORTA_PIN6_gc; /* Asynchronous Event from Pin PA6 */
    Event0.set_generator( gen0::pin_pa6 ); // Set pin Pa6 as event generator, Event0

    // EVSYS.ASYNCCH1 = EVSYS_ASYNCCH1_PORTB_PIN6_gc; /* Asynchronous Event from Pin PB6 */
    Event1.set_generator( gen1::pin_pb6 ); // Set pin PB6 as event generator, Event1
}

void loop() {
}

Getting:

Using library Event at version 1.3.0 in folder: /Users/someone/Library/Arduino15/packages/megaTinyCore/hardware/megaavr/2.6.10/libraries/Event 
Using library Logic at version 1.3.1 in folder: /Users/someone/Library/Arduino15/packages/megaTinyCore/hardware/megaavr/2.6.10/libraries/Logic 
exit status 1

Compilation error: 'gen1' has not been declared