a = Part.new
a.name = "Sample part"
a.price = 123.45
a.save

$Part = $this->load->model('table');
$a = $Part->new();
$a['name'] = 'Sample part';
$a['price'] = 123.45;
$a->save();


// alternatively, could do:
$a = $this->load->model('table')->new();

// and also:
$a->name = 'Sample part';
$a->price = 123.45;