OnLengthChanged_Event Callback

Conditions

• 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.

Steps:

• 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.

Result