diff --git a/app/Filament/Exports/ItemCharacteristicExporter.php b/app/Filament/Exports/ItemCharacteristicExporter.php
new file mode 100644
index 0000000..7b3b966
--- /dev/null
+++ b/app/Filament/Exports/ItemCharacteristicExporter.php
@@ -0,0 +1,355 @@
+<?php
+
+namespace App\Filament\Exports;
+
+use App\Models\ItemCharacteristic;
+use Filament\Actions\Exports\ExportColumn;
+use Filament\Actions\Exports\Exporter;
+use Filament\Actions\Exports\Models\Export;
+
+class ItemCharacteristicExporter extends Exporter
+{
+    protected static ?string $model = ItemCharacteristic::class;
+
+    public static function getColumns(): array
+    {
+        static $rowNumber = 0;
+        return [
+            ExportColumn::make('no')
+                ->label('NO')
+                ->state(function ($record) use (&$rowNumber) {
+                    // Increment and return the row number
+                    return ++$rowNumber;
+                }),
+            ExportColumn::make('plant.name')
+                ->label('PLANT'),
+            ExportColumn::make('item.code')
+                ->label('ITEM CODE'),
+            ExportColumn::make('class')
+                ->label('CLASS'),
+            ExportColumn::make('zz1_cn_bill_ord')
+                ->label('ZZ1 CN BILL ORDER'),
+            ExportColumn::make('zmm_amps')
+                ->label('ZMM AMPS'),
+            ExportColumn::make('zmm_brand')
+                ->label('ZMM BRAND'),
+            ExportColumn::make('zmm_degreeofprotection')
+                ->label('ZMM DEGREE OF PROTECTION'),
+            ExportColumn::make('zmm_delivery')
+                ->label('ZMM DELIVERY'),
+            ExportColumn::make('zmm_dir_rot')
+                ->label('ZMM DIRECTION OF ROTATION'),
+            ExportColumn::make('zmm_discharge')
+                ->label('ZMM DISCHARGE'),
+            ExportColumn::make('zmm_discharge_max')
+                ->label('ZMM DISCHARGE MAX'),
+            ExportColumn::make('zmm_discharge_min')
+                ->label('ZMM DISCHARGE MIN'),
+            ExportColumn::make('zmm_duty')
+                ->label('ZMM DUTY'),
+            ExportColumn::make('zmm_eff_motor')
+                ->label('ZMM EFF MOTOR'),
+            ExportColumn::make('zmm_eff_pump')
+                ->label('ZMM EFF PUMP'),
+            ExportColumn::make('zmm_frequency')
+                ->label('ZMM FREQUENCY'),
+            ExportColumn::make('zmm_head')
+                ->label('ZMM HEAD'),
+            ExportColumn::make('zmm_heading')
+                ->label('ZMM HEADING'),
+            ExportColumn::make('zmm_head_max')
+                ->label('ZMM HEAD MAX'),
+            ExportColumn::make('zmm_head_minimum')
+                ->label('ZMM HEAD MINIMUM'),
+            ExportColumn::make('zmm_idx_eff_mtr')
+                ->label('ZMM IDX EFF MTR'),
+            ExportColumn::make('zmm_idx_eff_pump')
+                ->label('ZMM IDX EFF PUMP'),
+            ExportColumn::make('zmm_kvacode')
+                ->label('ZMM KVACODE'),
+            ExportColumn::make('zmm_maxambtemp')
+                ->label('ZMM MAXAMB TEMP'),
+            ExportColumn::make('zmm_mincoolingflow')
+                ->label('ZMM MIN COOLING FLOW'),
+            ExportColumn::make('zmm_motorseries')
+                ->label('ZMM MOTOR SERIES'),
+            ExportColumn::make('zmm_motor_model')
+                ->label('ZMM MOTOR MODEL'),
+            ExportColumn::make('zmm_outlet')
+                ->label('ZMM OUTLET'),
+            ExportColumn::make('zmm_phase')
+                ->label('ZMM PHASE'),
+            ExportColumn::make('zmm_pressure')
+                ->label('ZMM PRESSURE'),
+            ExportColumn::make('zmm_pumpflowtype')
+                ->label('ZMM PUMP FLOW TYPE'),
+            ExportColumn::make('zmm_pumpseries')
+                ->label('ZMM PUMP SERIES'),
+            ExportColumn::make('zmm_pump_model')
+                ->label('ZMM PUMP MODEL'),
+            ExportColumn::make('zmm_ratedpower')
+                ->label('ZMM RATED POWER'),
+            ExportColumn::make('zmm_region')
+                ->label('ZMM REGION'),
+            ExportColumn::make('zmm_servicefactor')
+                ->label('ZMM SERVICE FACTOR'),
+            ExportColumn::make('zmm_servicefactormaximumamps')
+                ->label('ZMM SERVICE FACTOR MAXIMUM AMPS'),
+            ExportColumn::make('zmm_speed')
+                ->label('ZMM SPEED'),
+            ExportColumn::make('zmm_suction')
+                ->label('ZMM SUCTION'),
+            ExportColumn::make('zmm_suctionxdelivery')
+                ->label('ZMM SUCTION X DELIVERY'),
+            ExportColumn::make('zmm_supplysource')
+                ->label('ZMM SUPPLY SOURCE'),
+            ExportColumn::make('zmm_temperature')
+                ->label('ZMM TEMPERATURE'),
+            ExportColumn::make('zmm_thrustload')
+                ->label('ZMM THRUST LOAD'),
+            ExportColumn::make('zmm_volts')
+                ->label('ZMM VOLTS'),
+            ExportColumn::make('zmm_wire')
+                ->label('ZMM WIRE'),
+            ExportColumn::make('zmm_package')
+                ->label('ZMM PACKAGE'),
+            ExportColumn::make('zmm_pvarrayrating')
+                ->label('ZMM PV ARRAY RATING'),
+            ExportColumn::make('zmm_isi')
+                ->label('ZMM ISI'),
+            ExportColumn::make('zmm_isimotor')
+                ->label('ZMM ISI MOTOR'),
+            ExportColumn::make('zmm_isipump')
+                ->label('ZMM ISI PUMP'),
+            ExportColumn::make('zmm_isipumpset')
+                ->label('ZMM ISI PUMPSET'),
+            ExportColumn::make('zmm_pumpset_model')
+                ->label('ZMM PUMPSET MODEL'),
+            ExportColumn::make('zmm_stages')
+                ->label('ZMM STAGES'),
+            ExportColumn::make('zmm_headrange')
+                ->label('ZMM HEAD RANGE'),
+            ExportColumn::make('zmm_overall_efficiency')
+                ->label('ZMM OVERALL EFFICIENCY'),
+            ExportColumn::make('zmm_connection')
+                ->label('ZMM CONNECTION'),
+            ExportColumn::make('zmm_min_bore_size')
+                ->label('ZMM MIN BORE SIZE'),
+            ExportColumn::make('zmm_isireference')
+                ->label('ZMM ISI REFERENCE'),
+            ExportColumn::make('zmm_category')
+                ->label('ZMM CATEGORY'),
+            ExportColumn::make('zmm_submergence')
+                ->label('ZMM SUBMERGENCE'),
+            ExportColumn::make('zmm_capacitorstart')
+                ->label('ZMM CAPACITOR START'),
+            ExportColumn::make('zmm_capacitorrun')
+                ->label('ZMM CAPACITOR RUN'),
+            ExportColumn::make('zmm_inch')
+                ->label('ZMM INCH'),
+            ExportColumn::make('zmm_motor_type')
+                ->label('ZMM MOTOR TYPE'),
+            ExportColumn::make('zmm_dismantle_direction')
+                ->label('ZMM DISMANTLE DIRECTION'),
+            ExportColumn::make('zmm_eff_ovrall')
+                ->label('ZMM EFF OVRALL'),
+            ExportColumn::make('zmm_bodymoc')
+                ->label('ZMM BODY MOC'),
+            ExportColumn::make('zmm_rotormoc')
+                ->label('ZMM ROTOR MOC'),
+            ExportColumn::make('zmm_dlwl')
+                ->label('ZMM DLWL'),
+            ExportColumn::make('zmm_inputpower')
+                ->label('ZMM INPUT POWER'),
+            ExportColumn::make('zmm_imp_od')
+                ->label('ZMM IMP OD'),
+            ExportColumn::make('zmm_ambtemp')
+                ->label('ZMM AMBTEMP'),
+            ExportColumn::make('zmm_de')
+                ->label('ZMM DE'),
+            ExportColumn::make('zmm_dischargerange')
+                ->label('ZMM DISCHARGE RANGE'),
+            ExportColumn::make('zmm_efficiency_class')
+                ->label('ZMM EFFICIENCY CLASS'),
+            ExportColumn::make('zmm_framesize')
+                ->label('ZMM FRAME SIZE'),
+            ExportColumn::make('zmm_impellerdiameter')
+                ->label('ZMM IMPELLER DIAMETER'),
+            ExportColumn::make('zmm_insulationclass')
+                ->label('ZMM INSULATION CLASS'),
+            ExportColumn::make('zmm_maxflow')
+                ->label('ZMM MAX FLOW'),
+            ExportColumn::make('zmm_minhead')
+                ->label('ZMM MIN HEAD'),
+            ExportColumn::make('zmm_mtrlofconst')
+                ->label('ZMM MTR LOF CONST'),
+            ExportColumn::make('zmm_nde')
+                ->label('ZMM NDE'),
+            ExportColumn::make('zmm_powerfactor')
+                ->label('ZMM POWER FACTOR'),
+            ExportColumn::make('zmm_tagno')
+                ->label('ZMM TAG NO'),
+            ExportColumn::make('zmm_year')
+                ->label('ZMM YEAR'),
+            ExportColumn::make('zmm_laser_name')
+                ->label('ZMM LASER NAME'),
+            ExportColumn::make('zmm_beenote')
+                ->label('ZMM BEENOTE'),
+            ExportColumn::make('zmm_beenumber')
+                ->label('ZMM BEENUMBER'),
+            ExportColumn::make('zmm_beestar')
+                ->label('ZMM BEESTAR'),
+            ExportColumn::make('zmm_logo_ce')
+                ->label('ZMM LOGO CE'),
+            ExportColumn::make('zmm_codeclass')
+                ->label('ZMM CODECLASS'),
+            ExportColumn::make('zmm_colour')
+                ->label('ZMM COLOUR'),
+            ExportColumn::make('zmm_logo_cp')
+                ->label('ZMM LOGO CP'),
+            ExportColumn::make('zmm_grade')
+                ->label('ZMM GRADE'),
+            ExportColumn::make('zmm_grwt_pset')
+                ->label('ZMM GRWT PSET'),
+            ExportColumn::make('zmm_grwt_cable')
+                ->label('ZMM GRWT CABLE'),
+            ExportColumn::make('zmm_grwt_motor')
+                ->label('ZMM GRWT MOTOR'),
+            ExportColumn::make('zmm_grwt_pf')
+                ->label('ZMM GRWT PF'),
+            ExportColumn::make('zmm_grwt_pump')
+                ->label('ZMM GRWT PUMP'),
+            ExportColumn::make('zmm_isivalve')
+                ->label('ZMM ISI VALVE'),
+            ExportColumn::make('zmm_isi_wc')
+                ->label('ZMM ISI WC'),
+            ExportColumn::make('zmm_labelperiod')
+                ->label('ZMM LABEL PERIOD'),
+            ExportColumn::make('zmm_length')
+                ->label('ZMM LENGTH'),
+            ExportColumn::make('zmm_license_cml_no')
+                ->label('ZMM LICENSE CML NO'),
+            ExportColumn::make('zmm_mfgmonyr')
+                ->label('ZMM MFG MON YR'),
+            ExportColumn::make('zmm_modelyear')
+                ->label('ZMM MODEL YEAR'),
+            ExportColumn::make('zmm_motoridentification')
+                ->label('ZMM MOTOR IDENTIFICATION'),
+            ExportColumn::make('zmm_newt_pset')
+                ->label('ZMM NEWT PSET'),
+            ExportColumn::make('zmm_newt_cable')
+                ->label('ZMM NEWT CABLE'),
+            ExportColumn::make('zmm_newt_motor')
+                ->label('ZMM NEWT MOTOR'),
+            ExportColumn::make('zmm_newt_pf')
+                ->label('ZMM NEWT PF'),
+            ExportColumn::make('zmm_newt_pump')
+                ->label('ZMM NEWT PUMP'),
+            ExportColumn::make('zmm_logo_nsf')
+                ->label('ZMM LOGO NSF'),
+            ExportColumn::make('zmm_packtype')
+                ->label('ZMM PACK TYPE'),
+            ExportColumn::make('zmm_panel')
+                ->label('ZMM PANEL'),
+            ExportColumn::make('zmm_performance_factor')
+                ->label('ZMM PERFORMANCE FACTOR'),
+            ExportColumn::make('zmm_pumpidentification')
+                ->label('ZMM PUMP IDENTIFICATION'),
+            ExportColumn::make('zmm_psettype')
+                ->label('ZMM PSET TYPE'),
+            ExportColumn::make('zmm_size')
+                ->label('ZMM SIZE'),
+            ExportColumn::make('zmm_eff_ttl')
+                ->label('ZMM EFF TTL'),
+            ExportColumn::make('zmm_type')
+                ->label('ZMM TYPE'),
+            ExportColumn::make('zmm_usp')
+                ->label('ZMM USP'),
+            ExportColumn::make('zmm_operating_range')
+                ->label('ZMM OPERATING RANGE'),
+            ExportColumn::make('zmm_intake_air')
+                ->label('ZMM INTAKE AIR'),
+            ExportColumn::make('zmm_oxygen_transfer_rate')
+                ->label('ZMM OXYGEN TRANSFER RATE'),
+            ExportColumn::make('zmm_air_inlet_pipesize')
+                ->label('ZMM AIR INLET PIPE SIZE'),
+            ExportColumn::make('zmm_sump_depth')
+                ->label('ZMM SUMP DEPTH'),
+            ExportColumn::make('zmm_poles')
+                ->label('ZMM POLES'),
+            ExportColumn::make('zmm_motor_heading')
+                ->label('ZMM MOTOR HEADING'),
+            ExportColumn::make('zmm_motor_speed')
+                ->label('ZMM MOTOR SPEED'),
+            ExportColumn::make('zqmm_qty')
+                ->label('ZMM QTY'),
+            ExportColumn::make('zmm_1')
+                ->label('ZMM 1')
+                ->enabledByDefault(false),
+            ExportColumn::make('zmm_2')
+                ->label('ZMM 2')
+                ->enabledByDefault(false),
+            ExportColumn::make('zmm_3')
+                ->label('ZMM 3')
+                ->enabledByDefault(false),
+            ExportColumn::make('zmm_4')
+                ->label('ZMM 4')
+                ->enabledByDefault(false),
+            ExportColumn::make('zmm_5')
+                ->label('ZMM 5')
+                ->enabledByDefault(false),
+            ExportColumn::make('zmm_6')
+                ->label('ZMM 6')
+                ->enabledByDefault(false),
+            ExportColumn::make('zmm_7')
+                ->label('ZMM 7')
+                ->enabledByDefault(false),
+            ExportColumn::make('zmm_8')
+                ->label('ZMM 8')
+                ->enabledByDefault(false),
+            ExportColumn::make('zmm_9')
+                ->label('ZMM 9')
+                ->enabledByDefault(false),
+            ExportColumn::make('zmm_10')
+                ->label('ZMM 10')
+                ->enabledByDefault(false),
+            ExportColumn::make('zmm_11')
+                ->label('ZMM 11')
+                ->enabledByDefault(false),
+            ExportColumn::make('zmm_12')
+                ->label('ZMM 12')
+                ->enabledByDefault(false),
+            ExportColumn::make('zmm_13')
+                ->label('ZMM 13')
+                ->enabledByDefault(false),
+            ExportColumn::make('zmm_14')
+                ->label('ZMM 14')
+                ->enabledByDefault(false),
+            ExportColumn::make('zmm_15')
+                ->label('ZMM 15')
+                ->enabledByDefault(false),
+            ExportColumn::make('created_at')
+                ->label('CREATED AT'),
+            ExportColumn::make('updated_at')
+                ->label('UPDATED AT'),
+            ExportColumn::make('created_by')
+                ->label('CREATED BY'),
+            ExportColumn::make('updated_by')
+                ->label('UPDATED BY'),
+            ExportColumn::make('deleted_at')
+                ->label('DELETED AT')
+                ->enabledByDefault(false),
+        ];
+    }
+
+    public static function getCompletedNotificationBody(Export $export): string
+    {
+        $body = 'Your item characteristic export has completed and ' . number_format($export->successful_rows) . ' ' . str('row')->plural($export->successful_rows) . ' exported.';
+
+        if ($failedRowsCount = $export->getFailedRowsCount()) {
+            $body .= ' ' . number_format($failedRowsCount) . ' ' . str('row')->plural($failedRowsCount) . ' failed to export.';
+        }
+
+        return $body;
+    }
+}
diff --git a/app/Filament/Imports/ItemCharacteristicImporter.php b/app/Filament/Imports/ItemCharacteristicImporter.php
new file mode 100644
index 0000000..bd61dfe
--- /dev/null
+++ b/app/Filament/Imports/ItemCharacteristicImporter.php
@@ -0,0 +1,194 @@
+<?php
+
+namespace App\Filament\Imports;
+
+use App\Models\ItemCharacteristic;
+use Filament\Actions\Imports\ImportColumn;
+use Filament\Actions\Imports\Importer;
+use Filament\Actions\Imports\Models\Import;
+
+class ItemCharacteristicImporter extends Importer
+{
+    protected static ?string $model = ItemCharacteristic::class;
+
+    public static function getColumns(): array
+    {
+        return [
+            ImportColumn::make('plant')
+                ->requiredMapping()
+                ->relationship()
+                ->rules(['required']),
+            ImportColumn::make('item')
+                ->requiredMapping()
+                ->relationship()
+                ->rules(['required']),
+            ImportColumn::make('class'),
+            ImportColumn::make('zz1_cn_bill_ord'),
+            ImportColumn::make('zmm_amps'),
+            ImportColumn::make('zmm_brand'),
+            ImportColumn::make('zmm_degreeofprotection'),
+            ImportColumn::make('zmm_delivery'),
+            ImportColumn::make('zmm_dir_rot'),
+            ImportColumn::make('zmm_discharge'),
+            ImportColumn::make('zmm_discharge_max'),
+            ImportColumn::make('zmm_discharge_min'),
+            ImportColumn::make('zmm_duty'),
+            ImportColumn::make('zmm_eff_motor'),
+            ImportColumn::make('zmm_eff_pump'),
+            ImportColumn::make('zmm_frequency'),
+            ImportColumn::make('zmm_head'),
+            ImportColumn::make('zmm_heading'),
+            ImportColumn::make('zmm_head_max'),
+            ImportColumn::make('zmm_head_minimum'),
+            ImportColumn::make('zmm_idx_eff_mtr'),
+            ImportColumn::make('zmm_idx_eff_pump'),
+            ImportColumn::make('zmm_kvacode'),
+            ImportColumn::make('zmm_maxambtemp'),
+            ImportColumn::make('zmm_mincoolingflow'),
+            ImportColumn::make('zmm_motorseries'),
+            ImportColumn::make('zmm_motor_model'),
+            ImportColumn::make('zmm_outlet'),
+            ImportColumn::make('zmm_phase'),
+            ImportColumn::make('zmm_pressure'),
+            ImportColumn::make('zmm_pumpflowtype'),
+            ImportColumn::make('zmm_pumpseries'),
+            ImportColumn::make('zmm_pump_model'),
+            ImportColumn::make('zmm_ratedpower'),
+            ImportColumn::make('zmm_region'),
+            ImportColumn::make('zmm_servicefactor'),
+            ImportColumn::make('zmm_servicefactormaximumamps'),
+            ImportColumn::make('zmm_speed'),
+            ImportColumn::make('zmm_suction'),
+            ImportColumn::make('zmm_suctionxdelivery'),
+            ImportColumn::make('zmm_supplysource'),
+            ImportColumn::make('zmm_temperature'),
+            ImportColumn::make('zmm_thrustload'),
+            ImportColumn::make('zmm_volts'),
+            ImportColumn::make('zmm_wire'),
+            ImportColumn::make('zmm_package'),
+            ImportColumn::make('zmm_pvarrayrating'),
+            ImportColumn::make('zmm_isi'),
+            ImportColumn::make('zmm_isimotor'),
+            ImportColumn::make('zmm_isipump'),
+            ImportColumn::make('zmm_isipumpset'),
+            ImportColumn::make('zmm_pumpset_model'),
+            ImportColumn::make('zmm_stages'),
+            ImportColumn::make('zmm_headrange'),
+            ImportColumn::make('zmm_overall_efficiency'),
+            ImportColumn::make('zmm_connection'),
+            ImportColumn::make('zmm_min_bore_size'),
+            ImportColumn::make('zmm_isireference'),
+            ImportColumn::make('zmm_category'),
+            ImportColumn::make('zmm_submergence'),
+            ImportColumn::make('zmm_capacitorstart'),
+            ImportColumn::make('zmm_capacitorrun'),
+            ImportColumn::make('zmm_inch'),
+            ImportColumn::make('zmm_motor_type'),
+            ImportColumn::make('zmm_dismantle_direction'),
+            ImportColumn::make('zmm_eff_ovrall'),
+            ImportColumn::make('zmm_bodymoc'),
+            ImportColumn::make('zmm_rotormoc'),
+            ImportColumn::make('zmm_dlwl'),
+            ImportColumn::make('zmm_inputpower'),
+            ImportColumn::make('zmm_imp_od'),
+            ImportColumn::make('zmm_ambtemp'),
+            ImportColumn::make('zmm_de'),
+            ImportColumn::make('zmm_dischargerange'),
+            ImportColumn::make('zmm_efficiency_class'),
+            ImportColumn::make('zmm_framesize'),
+            ImportColumn::make('zmm_impellerdiameter'),
+            ImportColumn::make('zmm_insulationclass'),
+            ImportColumn::make('zmm_maxflow'),
+            ImportColumn::make('zmm_minhead'),
+            ImportColumn::make('zmm_mtrlofconst'),
+            ImportColumn::make('zmm_nde'),
+            ImportColumn::make('zmm_powerfactor'),
+            ImportColumn::make('zmm_tagno'),
+            ImportColumn::make('zmm_year'),
+            ImportColumn::make('zmm_laser_name'),
+            ImportColumn::make('zmm_beenote'),
+            ImportColumn::make('zmm_beenumber'),
+            ImportColumn::make('zmm_beestar'),
+            ImportColumn::make('zmm_logo_ce'),
+            ImportColumn::make('zmm_codeclass'),
+            ImportColumn::make('zmm_colour'),
+            ImportColumn::make('zmm_logo_cp'),
+            ImportColumn::make('zmm_grade'),
+            ImportColumn::make('zmm_grwt_pset'),
+            ImportColumn::make('zmm_grwt_cable'),
+            ImportColumn::make('zmm_grwt_motor'),
+            ImportColumn::make('zmm_grwt_pf'),
+            ImportColumn::make('zmm_grwt_pump'),
+            ImportColumn::make('zmm_isivalve'),
+            ImportColumn::make('zmm_isi_wc'),
+            ImportColumn::make('zmm_labelperiod'),
+            ImportColumn::make('zmm_length'),
+            ImportColumn::make('zmm_license_cml_no'),
+            ImportColumn::make('zmm_mfgmonyr'),
+            ImportColumn::make('zmm_modelyear'),
+            ImportColumn::make('zmm_motoridentification'),
+            ImportColumn::make('zmm_newt_pset'),
+            ImportColumn::make('zmm_newt_cable'),
+            ImportColumn::make('zmm_newt_motor'),
+            ImportColumn::make('zmm_newt_pf'),
+            ImportColumn::make('zmm_newt_pump'),
+            ImportColumn::make('zmm_logo_nsf'),
+            ImportColumn::make('zmm_packtype'),
+            ImportColumn::make('zmm_panel'),
+            ImportColumn::make('zmm_performance_factor'),
+            ImportColumn::make('zmm_pumpidentification'),
+            ImportColumn::make('zmm_psettype'),
+            ImportColumn::make('zmm_size'),
+            ImportColumn::make('zmm_eff_ttl'),
+            ImportColumn::make('zmm_type'),
+            ImportColumn::make('zmm_usp'),
+            ImportColumn::make('zmm_operating_range'),
+            ImportColumn::make('zmm_intake_air'),
+            ImportColumn::make('zmm_oxygen_transfer_rate'),
+            ImportColumn::make('zmm_air_inlet_pipesize'),
+            ImportColumn::make('zmm_sump_depth'),
+            ImportColumn::make('zmm_poles'),
+            ImportColumn::make('zmm_motor_heading'),
+            ImportColumn::make('zmm_motor_speed'),
+            ImportColumn::make('zqmm_qty'),
+            ImportColumn::make('zmm_1'),
+            ImportColumn::make('zmm_2'),
+            ImportColumn::make('zmm_3'),
+            ImportColumn::make('zmm_4'),
+            ImportColumn::make('zmm_5'),
+            ImportColumn::make('zmm_6'),
+            ImportColumn::make('zmm_7'),
+            ImportColumn::make('zmm_8'),
+            ImportColumn::make('zmm_9'),
+            ImportColumn::make('zmm_10'),
+            ImportColumn::make('zmm_11'),
+            ImportColumn::make('zmm_12'),
+            ImportColumn::make('zmm_13'),
+            ImportColumn::make('zmm_14'),
+            ImportColumn::make('zmm_15'),
+            ImportColumn::make('created_by'),
+            ImportColumn::make('updated_by'),
+        ];
+    }
+
+    public function resolveRecord(): ?ItemCharacteristic
+    {
+        // return ItemCharacteristic::firstOrNew([
+        //     // Update existing records, matching them by `$this->data['column_name']`
+        //     'email' => $this->data['email'],
+        // ]);
+
+        return new ItemCharacteristic();
+    }
+
+    public static function getCompletedNotificationBody(Import $import): string
+    {
+        $body = 'Your item characteristic import has completed and ' . number_format($import->successful_rows) . ' ' . str('row')->plural($import->successful_rows) . ' imported.';
+
+        if ($failedRowsCount = $import->getFailedRowsCount()) {
+            $body .= ' ' . number_format($failedRowsCount) . ' ' . str('row')->plural($failedRowsCount) . ' failed to import.';
+        }
+
+        return $body;
+    }
+}