Disables/enables nodes. Supported types are shapes, lights, shaders, and operators.
An expression to select which nodes this operator will affect. The expression syntax is described in the selection expression documentation, with some examples. Note that if the operator is connected to a procedural the selections are assumed to be relative to the procedural's namespace.
Disable/enable selected nodes.
Ignores all shapes if set to false.
Ignores all lights if set to false.
Ignores all shaders if set to false.