//easy to use
//add the code into a new file. Name it: restartscript.cfg

alias "w" "wait"
alias "w10" "wait; wait; wait; wait; wait; wait; wait; wait; wait; wait; "
alias "w80" "w10; w10; w10; w10; w10; w10; w10; "

mp_restartgame 1
w80
mp_restartgame 1
w80
mp_restartgame  1
w80
w10
say [Good Luck] & [Have Fun]

//in cfg
//bind "Key" exec restartscript.cfg


//if you want to use an alias-funktion, try this:

alias "3live" "mp_restartgame 1; w80; mp_restartgame 1; w80;  mp_restartgame  1; w80; w10; say [Good Luck] & [Have Fun]"

//in cfg
//bind "key" "3live"

//dont forget: You need rcon acces!