hi looking for a scripter to create a basic click script to output "hello" to chat nothing fancy

Hi all Im new to this forum and new to Denizens scripting i can get a click script on a npc created via citizens 2 plugin to work, i can get it to narrate to chat but for the life of me i cannot get the - chat to work, how on earth do you work it. plugins in question: citizens denizen version 1.15.2...