Oi, queria um npc que vende-se stamina, por tanto de dinheiro.

Eu ja tentei de tudo mais nao consegui fazer.

Please my Ajude.

<?xml version="1.0" encoding="ISO-8859-1"?>
<npc name="Nome" floorchange="0" walkinterval="4000">
<health now="150" max="150"/>
<look type="133" head="20" body="120" legs="75" feet="13"/>

<interaction range="3" idletime="30">
	<interact keywords="hi" focus="1">
		<keywords>hello</keywords>
		<response>
			<action name="script">
				<![CDATA[
					selfSay("Olá " .. getCreatureName(cid) .. ", eu vendo {stamina}.", cid)
				]]>
			</action>
		</response>
	</interact>

	<interact keywords="bye" focus="0">
		<keywords>farewell</keywords>
		<response text="Good bye."/>
	</interact>

	<interact keywords="stamina">
		<response>
			<action name="script">
				<![CDATA[
					selfSay("Você quer comprar 60 minutos de stamina por 10000 gp's?", cid)
				]]>
			</action>
			<interact keywords="yes">
				<response>
					<action name="script">
						<![CDATA[
							local minutes = 60
							local price = 10000
							if doPlayerRemoveMoney(cid, price) then
								doPlayerAddStamina(cid, minutes)
								selfSay("Thanks.", cid)
							else
								selfSay("Você não possui "..price.." gp's.", cid)
							end
						]]>
					</action>
				</response>
			</interact>
			<interact keywords="no">
				<response>
					<action name="script">
						<![CDATA[
							selfSay("Ok.", cid)
						]]>
					</action>
				</response>
			</interact>
		</response>
	</interact>
</interaction>
</npc>