code: @Indexable(type = IndexableType.REINDEX)
  	@Override
  	public CommercePaymentMethodGroupRel addCommercePaymentMethodGroupRel(
  		CommercePaymentMethodGroupRel commercePaymentMethodGroupRel) {
  		commercePaymentMethodGroupRel.setNew(true);
  
  		return commercePaymentMethodGroupRelPersistence.update(commercePaymentMethodGroupRel);
  	}
docs: Adds the commerce payment method group rel to the database. Also notifies the appropriate model listeners.
  
  @param commercePaymentMethodGroupRel the commerce payment method group rel
  @return the commerce payment method group rel that was added