//
        // Valid Values - Event Type
        //
        private const string ValidValueDescriptionEventTypePhysical                         = "Physical";
        private const string ValidValueDescriptionEventTypeVirtual                          = "Virtual";

        private const string ValidValueValueEventTypePhysical                           = "Physical";
        private const string ValidValueValueEventTypeVirtual                            = "Virtual";

        public static readonly IUserDefinedFieldValidValue ValidValueEventTypePhysical  = new UserDefinedFieldValidValue(ValidValueDescriptionEventTypePhysical,    ValidValueValueEventTypePhysical);
        public static readonly IUserDefinedFieldValidValue ValidValueEventTypeVirtual   = new UserDefinedFieldValidValue(ValidValueDescriptionEventTypeVirtual, ValidValueValueEventTypeVirtual);

        public static readonly IUserDefinedFieldValidValueCollection ValidValuesEventType = new UserDefinedFieldValidValueCollection
        {
            ValidValueEventTypePhysical,
            ValidValueEventTypeVirtual
        };