izyim/database/factories/ContactFactory .php

<?php

use Faker\Generator as Faker;

$factory->define(App\Models\Contact::class, function (Faker $faker) {
    return [
        'type' => $faker->numberBetween(1, 2),
        'reference_id' => $faker->numberBetween(1, 30),
        'name' => $faker->name,
        'designation' => $faker->jobTitle,
        'contact' => $faker->numerify('01########'),
        'email' => $faker->companyEmail
    ];
});