diff --git a/app/Filament/Imports/ClassCharacteristicImporter.php b/app/Filament/Imports/ClassCharacteristicImporter.php
new file mode 100644
index 0000000..b4a13bf
--- /dev/null
+++ b/app/Filament/Imports/ClassCharacteristicImporter.php
@@ -0,0 +1,651 @@
+<?php
+
+namespace App\Filament\Imports;
+
+use App\Models\ClassCharacteristic;
+use Filament\Actions\Imports\ImportColumn;
+use Filament\Actions\Imports\Importer;
+use Filament\Actions\Imports\Models\Import;
+
+class ClassCharacteristicImporter extends Importer
+{
+    protected static ?string $model = ClassCharacteristic::class;
+
+    public static function getColumns(): array
+    {
+        return [
+            ImportColumn::make('plant')
+                ->requiredMapping()
+                ->exampleHeader('Plant Code')
+                ->example('1000')
+                ->label('Plant Code')
+                ->relationship(resolveUsing: 'code')
+                ->rules(['required']),
+            ImportColumn::make('item')
+                ->requiredMapping()
+                ->exampleHeader('Item Code')
+                ->example('630214')
+                ->label('Item Code')
+                ->relationship(resolveUsing: 'code')
+                ->rules(['required']),
+            ImportColumn::make('aufnr')
+                ->label('Aufnr')
+                ->exampleHeader('Aufnr')
+                ->example(''),
+            ImportColumn::make('class')
+                ->label('Class')
+                ->exampleHeader('Class')
+                ->example(''),
+            ImportColumn::make('arbid')
+                ->label('Arbid')
+                ->exampleHeader('Arbid')
+                ->example(''),
+            ImportColumn::make('gamng')
+                ->label('Gamng')
+                ->exampleHeader('Gamng')
+                ->example(''),
+            ImportColumn::make('lmnga')
+                ->label('Lmnga')
+                ->exampleHeader('Lmnga')
+                ->example(''),
+            ImportColumn::make('gernr')
+                ->label('Gernr')
+                ->exampleHeader('Gernr')
+                ->example(''),
+            ImportColumn::make('zz1_cn_bill_ord')
+                ->label('zz1 ccn bill ord')
+                ->exampleHeader('zz1 ccn bill ord')
+                ->example(''),
+            ImportColumn::make('zmm_amps')
+                ->label('zmm amps')
+                ->exampleHeader('zmm amps')
+                ->example(''),
+            ImportColumn::make('zmm_brand')
+                ->label('zmm brand')
+                ->exampleHeader('zmm brand')
+                ->example(''),
+            ImportColumn::make('zmm_degreeofprotection')
+                ->label('zmm degreeofprotection')
+                ->exampleHeader('zmm degreeofprotection')
+                ->example(''),
+            ImportColumn::make('zmm_delivery')
+                ->label('zmm delivery')
+                ->exampleHeader('zmm delivery')
+                ->example(''),
+            ImportColumn::make('zmm_dir_rot')
+                ->label('zmm dir rot')
+                ->exampleHeader('zmm dir rot')
+                ->example(''),
+            ImportColumn::make('zmm_discharge')
+                ->label('zmm discharge')
+                ->exampleHeader('zmm discharge')
+                ->example(''),
+            ImportColumn::make('zmm_discharge_max')
+                ->label('zmm discharge max')
+                ->exampleHeader('zmm discharge max')
+                ->example(''),
+            ImportColumn::make('zmm_discharge_min')
+                ->label('zmm discharge min')
+                ->exampleHeader('zmm discharge min')
+                ->example(''),
+            ImportColumn::make('zmm_duty')
+                ->label('zmm duty')
+                ->exampleHeader('zmm duty')
+                ->example(''),
+            ImportColumn::make('zmm_eff_motor')
+                ->label('zmm eff motor')
+                ->exampleHeader('zmm eff motor')
+                ->example(''),
+            ImportColumn::make('zmm_eff_pump')
+                ->label('zmm eff pump')
+                ->exampleHeader('zmm eff pump')
+                ->example(''),
+            ImportColumn::make('zmm_frequency')
+                ->label('zmm frequency')
+                ->exampleHeader('zmm frequency')
+                ->example(''),
+            ImportColumn::make('zmm_head')
+                ->label('zmm head')
+                ->exampleHeader('zmm head')
+                ->example(''),
+            ImportColumn::make('zmm_heading')
+                ->label('zmm heading')
+                ->exampleHeader('zmm heading')
+                ->example(''),
+            ImportColumn::make('zmm_head_max')
+                ->label('zmm head max')
+                ->exampleHeader('zmm head max')
+                ->example(''),
+            ImportColumn::make('zmm_head_minimum')
+                ->label('zmm head minimum')
+                ->exampleHeader('zmm head minimum')
+                ->example(''),
+            ImportColumn::make('zmm_idx_eff_mtr')
+                ->label('zmm idx eff mtr')
+                ->exampleHeader('zmm idx eff mtr')
+                ->example(''),
+            ImportColumn::make('zmm_idx_eff_pump')
+                ->label('zmm idx eff pump')
+                ->exampleHeader('zmm idx eff pump')
+                ->example(''),
+            ImportColumn::make('zmm_kvacode')
+                ->label('zmm kvacode')
+                ->exampleHeader('zmm kvacode')
+                ->example(''),
+            ImportColumn::make('zmm_maxambtemp')
+                ->label('zmm maxambtemp')
+                ->exampleHeader('zmm maxambtemp')
+                ->example(''),
+            ImportColumn::make('zmm_mincoolingflow')
+                ->label('zmm mincoolingflow')
+                ->exampleHeader('zmm mincoolingflow')
+                ->example(''),
+            ImportColumn::make('zmm_motorseries')
+                ->label('zmm motorseries')
+                ->exampleHeader('zmm motorseries')
+                ->example(''),
+            ImportColumn::make('zmm_motor_model')
+                ->label('zmm motor model')
+                ->exampleHeader('zmm motor model')
+                ->example(''),
+            ImportColumn::make('zmm_outlet')
+                ->label('zmm outlet')
+                ->exampleHeader('zmm outlet')
+                ->example(''),
+            ImportColumn::make('zmm_phase')
+                ->label('zmm phase')
+                ->exampleHeader('zmm phase')
+                ->example(''),
+            ImportColumn::make('zmm_pressure')
+                ->label('zmm pressure')
+                ->exampleHeader('zmm pressure')
+                ->example(''),
+            ImportColumn::make('zmm_pumpflowtype')
+                ->label('zmm pumpflowtype')
+                ->exampleHeader('zmm pumpflowtype')
+                ->example(''),
+            ImportColumn::make('zmm_pumpseries')
+                ->label('zmm pumpseries')
+                ->exampleHeader('zmm pumpseries')
+                ->example(''),
+            ImportColumn::make('zmm_pump_model')
+                ->label('zmm pump model')
+                ->exampleHeader('zmm pump model')
+                ->example(''),
+            ImportColumn::make('zmm_ratedpower')
+                ->label('zmm ratedpower')
+                ->exampleHeader('zmm ratedpower')
+                ->example(''),
+            ImportColumn::make('zmm_region')
+                ->label('zmm region')
+                ->exampleHeader('zmm region')
+                ->example(''),
+            ImportColumn::make('zmm_servicefactor')
+                ->label('zmm servicefactor')
+                ->exampleHeader('zmm servicefactor')
+                ->example(''),
+            ImportColumn::make('zmm_servicefactormaximumamps')
+                ->label('zmm servicefactormaximumamps')
+                ->exampleHeader('zmm servicefactormaximumamps')
+                ->example(''),
+            ImportColumn::make('zmm_speed')
+                ->label('zmm speed')
+                ->exampleHeader('zmm speed')
+                ->example(''),
+            ImportColumn::make('zmm_suction')
+                ->label('zmm suction')
+                ->exampleHeader('zmm suction')
+                ->example(''),
+            ImportColumn::make('zmm_suctionxdelivery')
+                ->label('zmm suctionxdelivery')
+                ->exampleHeader('zmm suctionxdelivery')
+                ->example(''),
+            ImportColumn::make('zmm_supplysource')
+                ->label('zmm supplysource')
+                ->exampleHeader('zmm supplysource')
+                ->example(''),
+            ImportColumn::make('zmm_temperature')
+                ->label('zmm temperature')
+                ->exampleHeader('zmm temperature')
+                ->example(''),
+            ImportColumn::make('zmm_thrustload')
+                ->label('zmm thrustload')
+                ->exampleHeader('zmm thrustload')
+                ->example(''),
+            ImportColumn::make('zmm_volts')
+                ->label('zmm volts')
+                ->exampleHeader('zmm volts')
+                ->example(''),
+            ImportColumn::make('zmm_wire')
+                ->label('zmm wire')
+                ->exampleHeader('zmm wire')
+                ->example(''),
+            ImportColumn::make('zmm_package')
+                ->label('zmm package')
+                ->exampleHeader('zmm package')
+                ->example(''),
+            ImportColumn::make('zmm_pvarrayrating')
+                ->label('zmm pvarrayrating')
+                ->exampleHeader('zmm pvarrayrating')
+                ->example(''),
+            ImportColumn::make('zmm_isi')
+                ->label('zmm isi')
+                ->exampleHeader('zmm isi')
+                ->example(''),
+            ImportColumn::make('zmm_isimotor')
+                ->label('zmm isimotor')
+                ->exampleHeader('zmm isimotor')
+                ->example(''),
+            ImportColumn::make('zmm_isipump')
+                ->label('zmm isipump')
+                ->exampleHeader('zmm isipump')
+                ->example(''),
+            ImportColumn::make('zmm_isipumpset')
+                ->label('zmm isipumpset')
+                ->exampleHeader('zmm isipumpset')
+                ->example(''),
+            ImportColumn::make('zmm_pumpset_model')
+                ->label('zmm pumpset model')
+                ->exampleHeader('zmm pumpset model')
+                ->example(''),
+            ImportColumn::make('zmm_stages')
+                ->label('zmm stages')
+                ->exampleHeader('zmm stages')
+                ->example(''),
+            ImportColumn::make('zmm_headrange')
+                ->label('zmm headrange')
+                ->exampleHeader('zmm headrange')
+                ->example(''),
+            ImportColumn::make('zmm_overall_efficiency')
+                ->label('zmm overall efficiency')
+                ->exampleHeader('zmm overall efficiency')
+                ->example(''),
+            ImportColumn::make('zmm_connection')
+                ->label('zmm connection')
+                ->exampleHeader('zmm connection')
+                ->example(''),
+            ImportColumn::make('zmm_min_bore_size')
+                ->label('zmm min bore size')
+                ->exampleHeader('zmm min bore size')
+                ->example(''),
+            ImportColumn::make('zmm_isireference')
+                ->label('zmm isireference')
+                ->exampleHeader('zmm isireference')
+                ->example(''),
+            ImportColumn::make('zmm_category')
+                ->label('zmm category')
+                ->exampleHeader('zmm category')
+                ->example(''),
+            ImportColumn::make('zmm_submergence')
+                ->label('zmm submergence')
+                ->exampleHeader('zmm submergence')
+                ->example(''),
+            ImportColumn::make('zmm_capacitorstart')
+                ->label('zmm capacitorstart')
+                ->exampleHeader('zmm capacitorstart')
+                ->example(''),
+            ImportColumn::make('zmm_capacitorrun')
+                ->label('zmm capacitorrun')
+                ->exampleHeader('zmm capacitorrun')
+                ->example(''),
+            ImportColumn::make('zmm_inch')
+                ->label('zmm inch')
+                ->exampleHeader('zmm inch')
+                ->example(''),
+            ImportColumn::make('zmm_motor_type')
+                ->label('zmm motor type')
+                ->exampleHeader('zmm motor type')
+                ->example(''),
+            ImportColumn::make('zmm_dismantle_direction')
+                ->label('zmm dismantle direction')
+                ->exampleHeader('zmm dismantle direction')
+                ->example(''),
+            ImportColumn::make('zmm_eff_ovrall')
+                ->label('zmm eff ovrall')
+                ->exampleHeader('zmm eff ovrall')
+                ->example(''),
+            ImportColumn::make('zmm_bodymoc')
+                ->label('zmm bodymoc')
+                ->exampleHeader('zmm bodymoc')
+                ->example(''),
+            ImportColumn::make('zmm_rotormoc')
+                ->label('zmm rotormoc')
+                ->exampleHeader('zmm rotormoc')
+                ->example(''),
+            ImportColumn::make('zmm_dlwl')
+                ->label('zmm dlwl')
+                ->exampleHeader('zmm dlwl')
+                ->example(''),
+            ImportColumn::make('zmm_inputpower')
+                ->label('zmm inputpower')
+                ->exampleHeader('zmm inputpower')
+                ->example(''),
+            ImportColumn::make('zmm_imp_od')
+                ->label('zmm imp od')
+                ->exampleHeader('zmm imp od')
+                ->example(''),
+            ImportColumn::make('zmm_ambtemp')
+                ->label('zmm ambtemp')
+                ->exampleHeader('zmm ambtemp')
+                ->example(''),
+            ImportColumn::make('zmm_de')
+                ->label('zmm de')
+                ->exampleHeader('zmm de')
+                ->example(''),
+            ImportColumn::make('zmm_dischargerange')
+                ->label('zmm dischargerange')
+                ->exampleHeader('zmm dischargerange')
+                ->example(''),
+            ImportColumn::make('zmm_efficiency_class')
+                ->label('zmm efficiency class')
+                ->exampleHeader('zmm efficiency class')
+                ->example(''),
+            ImportColumn::make('zmm_framesize')
+                ->label('zmm framesize')
+                ->exampleHeader('zmm framesize')
+                ->example(''),
+            ImportColumn::make('zmm_impellerdiameter')
+                ->label('zmm impellerdiameter')
+                ->exampleHeader('zmm impellerdiameter')
+                ->example(''),
+            ImportColumn::make('zmm_insulationclass')
+                ->label('zmm insulationclass')
+                ->exampleHeader('zmm insulationclass')
+                ->example(''),
+            ImportColumn::make('zmm_maxflow')
+                ->label('zmm maxflow')
+                ->exampleHeader('zmm maxflow')
+                ->example(''),
+            ImportColumn::make('zmm_minhead')
+                ->label('zmm minhead')
+                ->exampleHeader('zmm minhead')
+                ->example(''),
+            ImportColumn::make('zmm_mtrlofconst')
+                ->label('zmm mtrlofconst')
+                ->exampleHeader('zmm mtrlofconst')
+                ->example(''),
+            ImportColumn::make('zmm_nde')
+                ->label('zmm nde')
+                ->exampleHeader('zmm nde')
+                ->example(''),
+            ImportColumn::make('zmm_powerfactor')
+                ->label('zmm powerfactor')
+                ->exampleHeader('zmm powerfactor')
+                ->example(''),
+            ImportColumn::make('zmm_tagno')
+                ->label('zmm tagno')
+                ->exampleHeader('zmm tagno')
+                ->example(''),
+            ImportColumn::make('zmm_year')
+                ->label('zmm year')
+                ->exampleHeader('zmm year')
+                ->example(''),
+            ImportColumn::make('zmm_laser_name')
+                ->label('zmm laser name')
+                ->exampleHeader('zmm laser name')
+                ->example(''),
+            ImportColumn::make('zmm_beenote')
+                ->label('zmm beenote')
+                ->exampleHeader('zmm beenote')
+                ->example(''),
+            ImportColumn::make('zmm_beenumber')
+                ->label('zmm beenumber')
+                ->exampleHeader('zmm beenumber')
+                ->example(''),
+            ImportColumn::make('zmm_beestar')
+                ->label('zmm beenumber')
+                ->exampleHeader('zmm beenumber')
+                ->example(''),
+            ImportColumn::make('zmm_codeclass')
+                ->label('zmm codeclass')
+                ->exampleHeader('zmm codeclass')
+                ->example(''),
+            ImportColumn::make('zmm_colour')
+                ->label('zmm colour')
+                ->exampleHeader('zmm colour')
+                ->example(''),
+            ImportColumn::make('zmm_logo_cp')
+                ->label('zmm logo cp')
+                ->exampleHeader('zmm logo cp')
+                ->example(''),
+            ImportColumn::make('zmm_logo_ce')
+                ->label('zmm logo ce')
+                ->exampleHeader('zmm logo ce')
+                ->example(''),
+            ImportColumn::make('zmm_logo_nsf')
+                ->label('zmm logo nsf')
+                ->exampleHeader('zmm logo nsf')
+                ->example(''),
+            ImportColumn::make('zmm_grade')
+                ->label('zmm grade')
+                ->exampleHeader('zmm grade')
+                ->example(''),
+            ImportColumn::make('zmm_grwt_pset')
+                ->label('zmm grwt pset')
+                ->exampleHeader('zmm grwt pset')
+                ->example(''),
+            ImportColumn::make('zmm_grwt_cable')
+                ->label('zmm grwt cable')
+                ->exampleHeader('zmm grwt cable')
+                ->example(''),
+            ImportColumn::make('zmm_grwt_motor')
+                ->label('zmm grwt motor')
+                ->exampleHeader('zmm grwt motor')
+                ->example(''),
+            ImportColumn::make('zmm_grwt_pf')
+                ->label('zmm grwt pf')
+                ->exampleHeader('zmm grwt pf')
+                ->example(''),
+            ImportColumn::make('zmm_grwt_pump')
+                ->label('zmm grwt pump')
+                ->exampleHeader('zmm grwt pump')
+                ->example(''),
+            ImportColumn::make('zmm_isivalve')
+                ->label('zmm isivalve')
+                ->exampleHeader('zmm isivalve')
+                ->example(''),
+            ImportColumn::make('zmm_isi_wc')
+                ->label('zmm isi wc')
+                ->exampleHeader('zmm isi wc')
+                ->example(''),
+            ImportColumn::make('zmm_labelperiod')
+                ->label('zmm labelperiod')
+                ->exampleHeader('zmm labelperiod')
+                ->example(''),
+            ImportColumn::make('zmm_length')
+                ->label('zmm length')
+                ->exampleHeader('zmm length')
+                ->example(''),
+            ImportColumn::make('zmm_license_cml_no')
+                ->label('zmm license cml no')
+                ->exampleHeader('zmm license cml no')
+                ->example(''),
+            ImportColumn::make('zmm_mfgmonyr')
+                ->label('zmm mfgmonyr')
+                ->exampleHeader('zmm mfgmonyr')
+                ->example(''),
+            ImportColumn::make('zmm_modelyear')
+                ->label('zmm modelyear')
+                ->exampleHeader('zmm modelyear')
+                ->example(''),
+            ImportColumn::make('zmm_motoridentification')
+                ->label('zmm motoridentification')
+                ->exampleHeader('zmm motoridentification')
+                ->example(''),
+            ImportColumn::make('zmm_newt_pset')
+                ->label('zmm newt pset')
+                ->exampleHeader('zmm newt pset')
+                ->example(''),
+            ImportColumn::make('zmm_newt_cable')
+                ->label('zmm newt cable')
+                ->exampleHeader('zmm newt cable')
+                ->example(''),
+            ImportColumn::make('zmm_newt_motor')
+                ->label('zmm newt motor')
+                ->exampleHeader('zmm newt motor')
+                ->example(''),
+            ImportColumn::make('zmm_newt_pf')
+                ->label('zmm newt pf')
+                ->exampleHeader('zmm newt pf')
+                ->example(''),
+            ImportColumn::make('zmm_newt_pump')
+                ->label('zmm newt pump')
+                ->exampleHeader('zmm newt pump')
+                ->example(''),
+            ImportColumn::make('zmm_packtype')
+                ->label('zmm packtype')
+                ->exampleHeader('zmm packtype')
+                ->example(''),
+            ImportColumn::make('zmm_panel')
+                ->label('zmm panel')
+                ->exampleHeader('zmm panel')
+                ->example(''),
+            ImportColumn::make('zmm_performance_factor')
+                ->label('zmm performance factor')
+                ->exampleHeader('zmm performance factor')
+                ->example(''),
+            ImportColumn::make('zmm_pumpidentification')
+                ->label('zmm pumpidentification')
+                ->exampleHeader('zmm pumpidentification')
+                ->example(''),
+            ImportColumn::make('zmm_psettype')
+                ->label('zmm psettype')
+                ->exampleHeader('zmm psettype')
+                ->example(''),
+            ImportColumn::make('zmm_size')
+                ->label('zmm size')
+                ->exampleHeader('zmm size')
+                ->example(''),
+            ImportColumn::make('zmm_eff_ttl')
+                ->label('zmm eff ttl')
+                ->exampleHeader('zmm eff ttl')
+                ->example(''),
+            ImportColumn::make('zmm_type')
+                ->label('zmm type')
+                ->exampleHeader('zmm type')
+                ->example(''),
+            ImportColumn::make('zmm_usp')
+                ->label('zmm usp')
+                ->exampleHeader('zmm usp')
+                ->example(''),
+            ImportColumn::make('mark_status')
+                ->label('MARKED STATUS')
+                ->exampleHeader('MARKED STATUS')
+                ->example(''),
+            ImportColumn::make('marked_datetime')
+                ->label('MARKED DATETIME')
+                ->exampleHeader('MARKED DATETIME')
+                ->example(''),
+            ImportColumn::make('marked_by')
+                ->label('MARKED BY')
+                ->exampleHeader('MARKED BY')
+                ->example(''),
+            ImportColumn::make('man_marked_status')
+                ->label('MANUAL MARKED STATUS')
+                ->exampleHeader('MANUAL MARKED STATUS')
+                ->example(''),
+            ImportColumn::make('man_marked_datetime')
+                ->label('MANUAL MARKED DATETIME')
+                ->exampleHeader('MANUAL MARKED DATETIME')
+                ->example(''),
+            ImportColumn::make('man_marked_by')
+                ->label('MANUAL MARKED BY')
+                ->exampleHeader('MANUAL MARKED BY')
+                ->example(''),
+            ImportColumn::make('motor_marked_status')
+                ->label('MOTOR MARKED STATUS')
+                ->exampleHeader('MOTOR MARKED STATUS')
+                ->example(''),
+            ImportColumn::make('motor_marked_by')
+                ->label('MOTOR MARKED BY')
+                ->exampleHeader('MOTOR MARKED BY')
+                ->example(''),
+            ImportColumn::make('pump_marked_status')
+                ->label('PUMP MARKED STATUS')
+                ->exampleHeader('PUMP MARKED STATUS')
+                ->example(''),
+            ImportColumn::make('pump_marked_by')
+                ->label('PUMP MARKED BY')
+                ->exampleHeader('PUMP MARKED BY')
+                ->example(''),
+            ImportColumn::make('motor_pump_pumpset_status')
+                ->label('MOTOR PUMP PUMPSET STATUS')
+                ->exampleHeader('MOTOR PUMP PUMPSET STATUS')
+                ->example(''),
+            ImportColumn::make('motor_machine_name')
+                ->label('MOTOR MACHINE NAME')
+                ->exampleHeader('MOTOR MACHINE NAME')
+                ->example(''),
+            ImportColumn::make('pump_machine_name')
+                ->label('PUMP MACHINE NAME')
+                ->exampleHeader('PUMP MACHINE NAME')
+                ->example(''),
+            ImportColumn::make('pumpset_machine_name')
+                ->label('PUMPSET MACHINE NAME')
+                ->exampleHeader('PUMPSET MACHINE NAME')
+                ->example(''),
+            ImportColumn::make('part_validation_1')
+                ->label('PART VALIDATION 1')
+                ->exampleHeader('PART VALIDATION 1')
+                ->example(''),
+            ImportColumn::make('part_validation_2')
+                ->label('PART VALIDATION 2')
+                ->exampleHeader('PART VALIDATION 2')
+                ->example(''),
+            ImportColumn::make('samlight_logged_name')
+                ->label('SAMLGHT LOGGED NAME')
+                ->exampleHeader('SAMLGHT LOGGED NAME')
+                ->example(''),
+            ImportColumn::make('pending_released_status')
+                ->label('PENDING RELEASED STATUS')
+                ->exampleHeader('PENDING RELEASED STATUS')
+                ->example(''),
+            ImportColumn::make('motor_expected_time')
+                ->label('MOTOR EXPECTED TIME')
+                ->exampleHeader('MOTOR EXPECTED TIME')
+                ->example(''),
+            ImportColumn::make('pump_expected_time')
+                ->label('PUMP EXPECTED TIME')
+                ->exampleHeader('PUMP EXPECTED TIME')
+                ->example(''),
+            ImportColumn::make('created_at')
+                ->label('CREATED AT')
+                ->exampleHeader('CREATED AT')
+                ->example(''),
+            ImportColumn::make('created_by')
+                ->label('CREATED BY')
+                ->exampleHeader('CREATED BY')
+                ->example('RAW01234'),
+            ImportColumn::make('updated_at')
+                ->label('UPDATED AT')
+                ->exampleHeader('UPDATED AT')
+                ->example(''),
+            ImportColumn::make('updated_by')
+                ->label('UPDATED BY')
+                ->exampleHeader('UPDATED BY')
+                ->example(''),
+            // ImportColumn::make('updated_by'),
+        ];
+    }
+
+    public function resolveRecord(): ?ClassCharacteristic
+    {
+        // return ClassCharacteristic::firstOrNew([
+        //     // Update existing records, matching them by `$this->data['column_name']`
+        //     'email' => $this->data['email'],
+        // ]);
+
+        return new ClassCharacteristic;
+    }
+
+    public static function getCompletedNotificationBody(Import $import): string
+    {
+        $body = 'Your class characteristic import has completed and '.number_format($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;
+    }
+}