How to use the expo-calendar.EntityTypes function in expo-calendar

_addCalendar = async () => {
    const newCalendar = {
      title: 'cool new calendar',
      entityType: Calendar.EntityTypes.EVENT,
      color: '#c0ff33',
      sourceId:
        Platform.OS === 'ios'
          ? this.state.calendars.find(cal => cal.source && cal.source.name === 'Default').source.id
          : undefined,
      source:
        Platform.OS === 'android'
          ? {
            name: this.state.calendars.find(
                cal => cal.accessLevel === Calendar.CalendarAccessLevel.OWNER
              ).source.name,
            isLocalAccount: true,
          }
          : undefined,
      name: 'coolNewCalendar',
      accessLevel: Calendar.CalendarAccessLevel.OWNER,

> = props => {
  const { calendar } = props;
  const calendarTypeName =
    calendar.entityType === Calendar.EntityTypes.REMINDER ? 'Reminders' : 'Events';
  return (