===== TransformParentChangedTopic =====

^Namespace | CREAT3D.ECS.DataModel.EventSystems.Topics |
^Payload | [[ValueChangedMessage]]<IEntity?> |
^Broadcaster | [[ITransformComponent]] |

This topic is broadcast from the [[ITransformComponent|TransformComponent]] of an [[Entity]] whenever the transform's Parent value changes. The payload carries two IEntity values. //Before// is the previous Parent [[Entity]] value which can be null if there was no Parent assigned, and //After// is the new [[Entity]] Parent which can also be null if no Parent is assigned anymore.