public IReadOnlyList<Contingency> Matches {get;}

{
  // Must be called within QueuedTask.Run
  void ValidateContingentValues(FeatureClass parcels, string zoningFieldName = "Zone", string taxCodeFieldName = "TaxCode")
  {
    using (RowBuffer rowBuffer = parcels.CreateRowBuffer())
    {
      // Insert values in a row buffer
      rowBuffer[zoningFieldName] = "Business";
      rowBuffer[taxCodeFieldName] = "TaxB";

      // Validate contingency values of the parcels' row 
      ContingencyValidationResult contingencyValidationResult = parcels.ValidateContingencies(rowBuffer);

      // Valid contingencies
      IReadOnlyList<Contingency> matchedContingencies = contingencyValidationResult.Matches;
      if (matchedContingencies.Count > 0)
      {
        // Create a row with valid contingency values
        parcels.CreateRow(rowBuffer);
      }

      // Invalid contingencies
      IReadOnlyList<ContingencyViolation> violatedContingencies = contingencyValidationResult.Violations;
      foreach (ContingencyViolation contingencyViolation in violatedContingencies)
      {
        ContingencyViolationType violationType = contingencyViolation.Type;
        Contingency violatedContingency = contingencyViolation.Contingency;
      }
    }
  }
}