Set boss bar progress
Set how full a boss bar is, from 0 (empty) to 1 (full), for everyone who sees it.
A Minecraft element (a step) in Scoreboards & teams. Needs the Basic plan or higher to go live; building and testing are free.
Example
Every second → Set boss bar progress: event, {node.left.result}.
Also called
progress, fill bar, bar value, percent
Works as a data pack?
Partly. A data pack does most of it, and the editor tells you the difference.
What you give it
- Bar
- Progress