A port structure can be assigned to a port based on any other available port in the current project:
Click the port you want to assign a new structure to.
Right-click and select Assign Structure.
You can copy the port structure from other ports of the same component. You can also copy any other port structure of the current project by selecting Copy Structure.
If you select Copy Structure, a window displays an overview graph of the current project. You can select any of the available ports in the project.
To select a port that serves as the source for
your new port structure
Click the port you want to use as a source. The attribute structure of the selected port is displayed in the lower area of the window.
Click Apply.
