The Group Node is a special node that can group together many nodes into one single node. It helps you save space in the logic editor.
To group nodes, select them and then right-click to open the search dialog, from you select “Group”.

The group node will show up in another color:

You can then click on the expand button next to the group node’s title. A special view of the nodes inside the group node will open.
In the right upper corner, you can edit the title of the group node. You can rename the inputs and outputs of the group using the text fields inside the Group Input and Group Output nodes. You can also add further inputs or outputs by dragging a connection away from any input or output of a node inside the group. Select “Group Connector” from the search dialog.

Use the contract button in the upper right corner of the group node work space to go back to the default logic editor work space. You will find the group node updated and selected:
