--- title: "External Reference" url: "https://help.maxon.net/c4d/en-us/Content/html/NET_MAXON_NBO_NODE_EXTERNALREFERENCEGEOMETRY.html" section_path: "The Node Editor > The individual Assets > Experimental > External Reference" element_id: "NET_MAXON_NBO_NODE_EXTERNALREFERENCEGEOMETRY" description: "This page documents the External Reference node of the Scene Nodes system in Cinema 4D. It loads one object from an external 3D file directly into the …" --- # External Reference > **Note:** **What is it about?** > > This page documents the **External Reference node** of the Scene Nodes system in **Cinema 4D**. It loads one object from an external 3D file directly into the node setup — lightweight geometry referencing without scene import. This can be used to load a 3D format supported by Cinema 4D. Note that only one object is loaded from this file. If there are multiple objects in the file, only the last element will be loaded. ### External Reference Parameter ID: `NET_MAXON_NBO_NODE_EXTERNALREFERENCEGEOMETRY` ### Preview Parameter ID: `NET_MAXON_NODE_BASE_PREVIEW` ### Basic Parameter ID: `NET_MAXON_NODE_BASE_GROUP_BASIC` ### Coord Parameter ID: `NET_MAXON_NODE_BASE_GROUP_COORD` ### Inputs Parameter ID: `NET_MAXON_NODE_BASE_GROUP_INPUTS` ### Outputs Parameter ID: `NET_MAXON_NODE_BASE_GROUP_OUTPUTS` ### Object Parameter ID: `NET_MAXON_NODE_BASE_GROUP_OBJECT`