public static String formatPOItemBuffAttributes(String separator, CFAccPOItemBuff buff) {
   String retval =
       CFAccXMsgPOItemMessageFormatter.formatPOItemPKeyAttributes(separator, buff)
           + CFLibXmlUtil.formatRequiredInt32(separator, "Revision", buff.getRequiredRevision())
           + CFLibXmlUtil.formatOptionalUuid(separator, "CreatedBy", buff.getCreatedByUserId())
           + CFLibXmlUtil.formatOptionalTimestamp(separator, "CreatedAt", buff.getCreatedAt())
           + CFLibXmlUtil.formatOptionalUuid(separator, "UpdatedBy", buff.getUpdatedByUserId())
           + CFLibXmlUtil.formatOptionalTimestamp(separator, "UpdatedAt", buff.getUpdatedAt())
           + CFLibXmlUtil.formatRequiredInt64(
               separator, "PurchaseOrderId", buff.getRequiredPurchaseOrderId())
           + CFLibXmlUtil.formatRequiredXmlString(
               separator, "Description", buff.getRequiredDescription())
           + CFLibXmlUtil.formatRequiredNumber(
               separator, "NumOrdered", buff.getRequiredNumOrdered())
           + CFLibXmlUtil.formatOptionalInt64(
               separator, "VendorUnitTenantId", buff.getOptionalVendorUnitTenantId())
           + CFLibXmlUtil.formatOptionalInt64(
               separator, "VendorUnitAccountId", buff.getOptionalVendorUnitAccountId())
           + CFLibXmlUtil.formatOptionalInt32(
               separator, "VendorUnitId", buff.getOptionalVendorUnitId());
   return (retval);
 }