On Runner Variable Change

Triggered when a State Machine Runner variable changes

Executed when the State Machine Runner Variable is modified.

Description

This event fires whenever a variable on a specific State Machine Runner is changed. Use this to react to per-instance state changes.

Parameters

Name	Description
Variable	The variable to monitor for changes
Runner	The target GameObject containing the State Machine Runner

Keywords

Variable, Change, State Machine, Runner

Example

Trigger Component:
├─ Event: On State Machine Runner Variable Change
│   ├─ Variable: "Health"
│   └─ Runner: Self
└─ Actions:
    ├─ Update health bar UI
    └─ Play damage effect if health decreased

This is the most common event for reactive gameplay systems. Use it to:

• Update UI when stats change

• Trigger effects when state changes

• Sync visuals with game logic

The Runner parameter is typically set to Self to monitor the runner on the same GameObject as the Trigger.