Adding an Instance in Layout

There are two ways to add to the layout an instance that is not present in the schematic.

Add the instance to the layout using the Create Instance command.
The incremental binder engine creates the appropriate bindings automatically, or you can use the Define Device Correspondence command to create user-defined bindings as before.
When adding physical-only instances, add the ignore property either at creation time or afterwards using the Property Editor assistant.
Add the instance to the schematic, connect it to a net, and then use Update Components And Nets to generate the new instance in the layout view. You need write permission for the schematic to do this.

To add an instance to the layout using Update Components And Nets:

In the schematic window, use the Add Instance form to add an instance to the schematic.
See Adding Instances in Schematic
To add the new instance to the layout view, choose Connectivity – Update – Components And Nets from the layout window menu bar.
Click Yes to re-extract the schematic.
Layout XL extracts the schematic and adds the new instance to the layout.
The incremental binder engine automatically determines the binding for the newly added instance. To change the binding after creation, use the Define Device Correspondence form.

If the instance does not need to be connected to a net, add it directly to the layout and add the ignore property to it.