npc take money give item

[Sami_san]

Hello. im using tfs 1.2 . im trying to do npc elvith. What i want is that when i write poem scroll he takes 200 gp and gives me a poem scroll. This is my not working script :
https://justpaste.it/vum8

 

[Nekiro]

https://github.com/orts/server/blob/master/data/npc/scripts/Elvith.lua