Executer node executes other nodes. You may not need it often but it can be very useful when structuring logic.
Execute | Executes the Node |
↳ On Start | Executes the Node at the start of the game |
↳ Always | Executes the Node on each frame |
Enabled | Enable or disable to node. Disabled Nodes cannot be executed |
On Execute | Executes linked Nodes |
Here's a link to the hype that shows how to implement and use the Executer node: