Call to undefined method App\Models\Appointment::name()

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsToMany;

class Appointment extends Model
{
    use HasFactory;

    /**
     * The attributes that are mass assignable.
     *
     * @var array<int, string>
     */
    protected $fillable = [
        'name',
        'email',
        'phone',
        'status',
        'date',
        'time',
        'message',
    ];

    /**
     * The attributes that should be cast.
     *
     * @var array<string, string>
     */
    protected $casts = [
        'date' => 'date',
        'time' => 'time',
        'created_at' => 'datetime',
        'updated_at' => 'datetime'
    ];

    /**
     * Get the services for the appointment.
     *
     * @return BelongsToMany
     */
    public function services(): BelongsToMany
    {
        return $this->belongsToMany(Service::class, 'appointment_service');
    }
}

public static function form(Form $form): Form
    {
        return $form
            ->schema([
                Forms\Components\Fieldset::make()
                    ->label(label: __(key: 'Client Details'))
                    ->schema([
                        Forms\Components\TextInput::make(name: 'name')
                            ->autofocus()
                            ->required()
                            ->columnSpan(span: 1)
                            ->placeholder(placeholder: __(key: 'Name')),

                        Forms\Components\TextInput::make(name: 'email')
                            ->required()
                            ->type(type: 'email')
                            ->columnSpan(span: 1)
                            ->placeholder(placeholder: __(key: 'Email')),

                        Forms\Components\TextInput::make(name: 'phone')
                            ->required()
                            ->type(type: 'tel')
                            ->columnSpan(span: 2)
                            ->placeholder(placeholder: __(key: 'Phone')),
                    ])->columns(),

                Forms\Components\Fieldset::make()
                    ->label(label: __(key: 'Appointment Details'))
                    ->schema([
                        Forms\Components\Datepicker::make(name: 'date')
                            ->required()
                            ->columnSpan(span: 1)
                            ->placeholder(placeholder: __(key: 'Date')),

                        Forms\Components\Timepicker::make(name: 'time')
                            ->required()
                            ->columnSpan(span: 1)
                            ->placeholder(placeholder: __(key: 'Time')),

                        Forms\Components\CheckboxList::make(name: 'services')
                            ->required()
                            ->relationship(name: 'name', titleAttribute: 'name')
                            ->options(Service::all()->pluck('name', 'id')->toArray())
                            ->columnSpan(span: 2)
                    ])->columns(),
            ]);
    }