The Block Editor workbench includes specific icon toolbars for representing structured ports.
See Displaying Ports and Signals
Creates the sub-elements of a port having a composite data type (that is, a structure or a tuple).
Deletes the sub-elements of a port having a composite data type (that is, a structure or a tuple).
Hides the sub-elements of ports having data composite type without deleting them and, so, allows you to keep the mapping of its sub-elements.