order by date of created at and order by second column laravel code example

Example 1: $tmpmembershipfee = MembershipFee::orderBy('created_at','DESC') ->first();

$tmpmembershipfee = MembershipFee::orderBy('created_at','DESC')->first();

Example 2: $tmpmembershipfee = MembershipFee::orderBy('created_at','DESC') ->first();

data:{'User':{'id':id}}