--- title: "Operator Group" url: "https://help.maxon.net/c4d/en-us/Content/html/NET_MAXON_NEUTRON_OP_BASE.html" section_path: "The Node Editor > The individual Assets > Experimental > Operator Group" element_id: "NET_MAXON_NEUTRON_OP_BASE" description: "This page covers the Operator Group node of the Scene Nodes system in Cinema 4D. It provides the empty group shell with Op inputs and outputs — the frame …" --- # Operator Group > **Note:** **What is it about?** > > This page covers the **Operator Group node** of the Scene Nodes system in **Cinema 4D**. It provides the empty group shell with Op inputs and outputs — the frame in which custom operators are assembled. As with the Primitive, Field and Effector group Nodes, you will find here a Node that at first offers no function but has to be fed with Nodes by you. This Node makes the typical inputs and outputs for **Op Input** and **Op Output** available. Additional inputs can be added individually (right-click on the opened group and select Add Input / Add New Input) or Output / Add New Output). The Node can be opened by clicking on the Folder symbol at the top of the Node.