bossbar add endcrystal_bossbar "End Crystal"

bossbar set minecraft:endcrystal_bossbar style notched_10

bossbar set minecraft:endcrystal_bossbar color pink

bossbar set minecraft:endcrystal_bossbar max 10

tellraw @a ["",{"text":"End Crystal Bossbar datapack has been reloaded","bold":true,"color":"white"}]