It allows to duplicate an existing layer from the Reference Panel and save it with a different name in any group you want.
1. In the layer creation wizard, select the Copy Layer option.
2. The following window will pop up. Enter the name for the duplicated layer and define the group where it will be located.
3. Select from the drop-down list a layer within the current project, which you want to duplicate.
4. Click on Finish and the duplicated layer will be added to the defined group on the Reference Panel