| display | d | The text displayed on the bossbar. | <skill.var.aura-name> |
| value | v | How filled the bossbar is. Must be between 0.0 and 1.0. | 1.0 |
| color | c | The color of the bossbar. Accepts any of: PINK, BLUE, RED, GREEN, YELLOW, PURPLE, WHITE. | None (will error if left empty) |
| style | s | The style of the bossbar. Accepts any of: SOLID, SEGMENTED_6, SEGMENTED_10, SEGMENTED_12, SEGMENTED_20. | None (will error if left empty) |