[Help] Muonline shop alert

Hi all !

can anyone tell how to add alert like this on every shop in game?

https://c.radikal.ru/c06/1901/d8/d4d2aeab16bf.png

Which server files are you using?? and do you have the source?

i am using these files

|Lançamento| MU Server Season 5.5 FULL (Perfect Zone)