use RahmatWaisi\OtpAuth\Facades\OtpGenerator;
use RahmatWaisi\OtpAuth\Core\OtpType;
.
.
// To Create a new OTP using a key like User::$id or User::$email, etc.
$otp = OtpGenerator::create('key') // output: 234234

$user = User::query()->inRandomOrder()->first();

$otp = OtpGenerator::createFrom('smth',  $user->id) // output: 234234, a 6-digit integer

$otp = OtpGenerator::createFrom('smth',  $user->email, OtpType::NUMBER) // output: 234234, a 6-digit integer

$otp = OtpGenerator::createFrom('smth',  $user->username, OtpType::STRING) // output: "aBcDeF", a 6-char string

$otp = OtpGenerator::createFrom('smth',  $user->custom_key, OtpType::NUMBER, 12, now()->addDay()) // output: 123321234234, a 12-digit integer

$otp = OtpGenerator::createFrom('smth',  $user->whatever, OtpType::STRING, 8, now()->addDay()) // output: "aBcdEfgH", an 8-char string

$otp = OtpGenerator::builder()
    ->withPrefix('dummy_prefix')
    ->withKey('my_custom_key')
    ->withType(OtpType::NUMBER)
    ->withTtl(now()->addMinutes(2))
    ->withLength(8)
    ->build();

// Output: 12345678, an 8-digit integer

use RahmatWaisi\OtpAuth\Facades\OtpGenerator;
use RahmatWaisi\OtpAuth\Core\OtpType;
.
.
// To Remove, Forget or Resolve an OTP using a key like User::$id or User::$email, etc. Do like this:

// Forgets the OTP just using the key
OtpGenerator::forget($user->id);

// Checks wether an incoming OTP from request exists or not?
OtpGenerator::verify($user->id, request()->get('otp'));
OtpGenerator::verifyUsing('custom_prefix', $user->id, request()->get('otp'));

// Removes an OTP using both key and its value
OtpGenerator::remove($key, 'aBcDeFgH');

// Gets an OTP just using the key
OtpGenerator::get($key);
OtpGenerator::get($user->username);

$user = User::query()->inRandomOrder()->first();

// Get an OTP just using the key and default configs
OtpGenerator::resolver()->withDefaultSettings()->withKey($user->id)->resolve();

// Forgets an OTP just using the key and default configs
OtpGenerator::resolver()->withDefaultSettings()->withKey($user->id)->forget();

// Checks for existence of an OTP just using the key and default configs
OtpGenerator::resolver()->withDefaultSettings()->withKey($user->id)->exists(request()->get('otp'));

// Get an OTP just using the key and default prefix
OtpGenerator::resolver()->withDefaultPrefix()->withKey($user->id)->resolve();

//  Checks for existence of an OTP just using the key and default perfix
OtpGenerator::resolver()->withDefaultPrefix()->withKey($user->id)->exists(request()->get('otp'));

// Get an OTP just using the key and custom prefix
$otp = OtpGenerator::resolver()
    ->withPrefix('smth')
    ->withKey($user->id)
    ->resolve();