local cost = 1000 -- Valor a se pagar

function creatureSayCallback(cid, type, msg)
if not npcHandler:isFocused(cid) then
  return false
end

 if msgcontains(msg, 'male') then
  npcHandler:say('are you sure you want to give your sex ?' ,cid)
  npcHandler.topic[cid] = 1
   if msgcontains(msg, 'yes') --[[and npcHandler.topic[cid] == 1 ]]then
     if doPlayerRemoveMoney(cid, cost) then
       doPlayerSetSex(cid, 1)
       npcHandler:say('You successfully changed sex.', cid)
       doRemoveCreature(cid)
     else
       npcHandler:say('You no have money.', cid)
       npcHandler.topic[cid] = 0
     end
   end
 else
   npcHandler:say('Sorry is not possible.', cid)
 end

return true
end