Validating arrays in laravel

Question

Can anyone please help me , I don't understand this type of validation, I am new to laravel.

    'person.*.email' => 'email|unique:users',
    'person.*.first_name' => 'required_with:person.*.last_name',

Answer 1

First string say you must enter email and unique email for user model

Secend string refer to first name is required and must be alongside lastname