code: public static CPOption findByC_ERC(long companyId,
  		String externalReferenceCode)
  		throws com.liferay.commerce.product.exception.NoSuchCPOptionException {
  		return getPersistence().findByC_ERC(companyId, externalReferenceCode);
  	}
docs: Returns the cp option where companyId = &#63; and externalReferenceCode = &#63; or throws a {@link NoSuchCPOptionException} if it could not be found.
  
  @param companyId the company ID
  @param externalReferenceCode the external reference code
  @return the matching cp option
  @throws NoSuchCPOptionException if a matching cp option could not be found