tellraw @a[] ["",{"text":"The Council >> ","bold":true,"color":"dark_green"},{"text":"Meeting adjourned!","bold":true,"color":"white"}]
advancement grant @a[advancements={craftytable:joinmeeting=true},distance=..30] only craftytable:leavemeeting
playsound minecraft:block.anvil.land master @a ~ ~ ~ 100 0.5