Paste
Pastes the contents of the Alias clipboard back into the scene.
Paste options
Same Layers
Pastes objects into the layers they were cut or copied from. If the layer does not exist, it is created.
Creation Layer
Pastes objects into the current creation layer. This is the layer whose name appears with a yellow background in the Layer Bar.
Always Ask
When this option is checked, the Paste options menu always appears when the tool is used. The menu provides the following options.
You can also paste into any of the existing layers by selecting it from the list (for example, L1, L2, etc)
Include layer categories
Pastes the layer categories for the pasted object.
Replace Shaders by Name
Lets you use the replace shaders copying and pasting objects between stages. Replace Shader by Name only works with shaders that have the same name.
Note: By default, when you copy shaded objects between stages, any incoming shaders having the same names as an existing shader get renamed by appending a # suffix to its name. This avoids name clashes between shaders. You can instead merge incoming shaders with existing shaders that have the same base-name by turning on Ignore # suffixes and merge. See Replace shaders by name.