public function nomeDaFuncao(NomedoRequest $request)
{

}

public function rules()
{
    return [
        'name' => 'required|max:255',
        'cpf' => 'required',
        'phone' => 'required',
        'birthdate' => 'required',
        'sex' => 'required',
        'email' => ['required', Rule::unique('users')->ignore($variavel)],
    ];
}