class YourResource extends Resource

{

    // Your resource configuration...

​

    public function form(Form $form)

    {

        // Determine if it's a create or save action

        $isCreateAction = is_null($form->getModel()->getKey());

​

        // Use $isCreateAction to customize the form behavior

        if ($isCreateAction) {

            // Perform actions specific to create

        } else {

            // Perform actions specific to save

        }

​

        // Add form fields...

    }

}

​

use Filament\Resources\Forms\Form;

use Filament\Resources\Forms\Components\TextInput;

​

Form::make()

    ->schema([

        TextInput::make('name')->required(),

        // other fields...

    ])

    ->saving(function ($state) {

        if ($this->getModel()->exists) {

            // This is an update operation

        } else {

            // This is a create operation

        }

    });

​

​