Turn off a google maps native event

Hi, I have the next google event and I want to implement a button where cancel this event

markersPartida() {
this.map.on(GoogleMapsEvent.MAP_DRAG_END).subscribe(() => {
console.log('MY MAP')
})
}
this.map.off(GoogleMapsEvent.MAP_DRAG_END);

I get an error.
.off

Help me, not found :c