4) Using commands from datapacks/functions

You can embed commands inside data/<namespace>/functions/*.mcfunction files and schedule them with advancements, timers, or custom triggers.

Example function data/example/functions/announce.mcfunction:

execute as @a at @s run emberstextapi sendcustom @s {anchor:"BOTTOM_RIGHT",offsetX:-8,offsetY:-8,background:true,wrap:160} 100 "Daily reward available!"