OnLengthChanged_Event Callback
- Events name must start with "OnLengthChanged_".
- The Variable must be public.
- After "OnLenghtChange_" events name and array variable must be the same.
- Events name are case sensitive.
- Click ADD NEW button. Select blueprint.

- Add an Actor Blueprint Class. Open it.
- Open event graph.
- Add ZD ACTOR component.

- Add a new variable from the Variables section under My Blueprint Tab. Make it public and change it as array.

- Add a new "CustomEvent". Right click and write "Add Custom Event".

- Name must be "OnLengthChanged_MyBooleanArray". (As you can see variable name and event name after "OnLengthChanged_" is same.)
- Add nodes as shown in below image.

- When we add a new value into "MyBooleanVariable" array the events will print length of array. This is the basic code for understanding how its working.
- Add ActorBlueprint to scene.
- Click PLAY button and open Reality Setup.
- Select MyActorBP node.
- .As you can see actor blueprint appears in Reality Setup. Thanks to ZD ACTOR component.
- Array variable also appears in properties tab of MyActorBP. Because we made it public variable.

Last modified 6mo ago