.. _bpy.types.ShaderNodeHoldout: ******* Holdout ******* .. figure:: /images/render_cycles_nodes_types_shaders_holdout_node.png :align: right Holdout Shader. The *Holdout* shader node is used to create a "hole" in the image with zero alpha transparency, which is useful for compositing (see :term:`alpha channel`). Note that the holdout shader can only create alpha when :menuselection:`Properties --> Render --> Film --> Transparent` is enabled. If it is disabled, the holdout shader will be black. Inputs ====== This node has no inputs. Properties ========== This node has no properties. Outputs ======= Holdout Standard shader output. Examples ======== .. figure:: /images/render_cycles_nodes_types_shaders_holdout_example.jpg The checkered area is a region with zero alpha.