Which of the following options is a valid usage of the Trigger Event node (https://drive.

The Trigger Event allows a Block to notify its parent (Screen or Block) that something relevant occurred in the scope of the Block.

The Trigger Event allows a Screen to notify its children (Blocks) that something relevant occurred in the scope of the Screen.

The Trigger Event allows a Block to notify its children (other Blocks) that something relevant occurred in the scope of the Block.

The Trigger Event allows a Screen to notify its parent (Screen or Block) that something relevant occurred in the scope of the Screen.