-- в main (пример)
sampRegisterChatCommand('idn', function(text)
local id = sampGetPlayerIdByNickname(text)
if id then print(text..'['..id..']') end
end)
-- В любом месте кода
function sampGetPlayerIdByNickname(nick)
local _, myid = sampGetPlayerIdByCharHandle(playerPed)
if tostring(nick) == sampGetPlayerNickname(myid) then return myid end
for i = 0, 1000 do if sampIsPlayerConnected(i) and sampGetPlayerNickname(i) == tostring(nick) then return i end end
end