Ok don't laugh guys but i've never done multi-threaded bots (for real...) because i never had too so here is my first try.
ui drop down("Num. of threads", "1,2,3,4,5,6,7,8,9,10", #threadnumber)
ui open file("Get File", #getfile)
clear table(&test)
create table from file(#getfile, &test)
set(#resettablerow, $table cell(&proxy table, 0, 2), "Global")
loop(#threadnumber) {
thread {
in new browser {
change proxy($table cell(&proxy table, 0, 2))
set proxy credentials($table cell(&proxyusername, 0, 3), $table cell(&proxypassword, 0, 4))