reghash.rb

reg = { 
  "szObjectName" => "RegistrationDemographics",
  "oNode" =>
    {
      "RegistrationDemographicsObjects" =>
        {
          "RegistrationDemographicsObject" => 
            {
            "rdm_key" => nil, 
            "rdm_add_user" => nil,
            "rdm_add_date" => nil,
            "rdm_change_user" => nil,
            "rdm_change_date" => nil,
            "rdm_delete_flag" => nil,
            "rdm_entity_key" => nil,
            "rdm_custom_xml_01" => nil,
            "rdm_reg_key" => "bdaa51e3-c779-43ee-a4e2-02862d49dsa0e79",
            "rdm_custom_flag_01" => "thomas",
            "rdm_custom_flag_02" => "thomas",
            "rdm_custom_flag_03" => "thomas",
            "rdm_custom_flag_04" => "thomas"
            }
          }
        }
      }