validate method
Validates
Implementation
@override
void validate() {
if (LocalAssertUtils.isNullOrEmptyOrInvalid(_id, int)) {
throw const LocalNotificationsException(
message: 'Property id is required');
}
if (LocalAssertUtils.isNullOrEmptyOrInvalid(_channelKey, String)) {
throw const LocalNotificationsException(
message: 'Channel Key is required');
}
}