foreach my $prod (@products) {
    next if !exists $$prod{'Vendor Item ID'};
        
    my $viid = $$prod{'Vendor Item ID'};
    my $name = $$prod{'Name'};
                    
    foreach my $conf (@config) {
        next if !exists $$conf{'Vendor'};
                
        if ( $$conf{'Vendor'} eq $name ) {
            next if !exists $$conf{'URL'};

            my $url = $$conf{'URL'};
            $url =~ s/\*/$viid/;
            $$prod{'TaggedID'} = $url;
            last;
        }
    }
}