private JPanel create() {
		JPanel panel = new JPanel(new BorderLayout(0, 10));
		panel.setBorder(BorderFactory.createEmptyBorder(5, 0, 0, 0));
		addrField = new AddressInput(model.getProgram(), this::addressChanged);
		addrField.addActionListener(e -> model.setCurrentFallthrough(addrField.getAddress()));
		panel.add(createHomePanel(), BorderLayout.NORTH);
		panel.add(createAddressPanel(), BorderLayout.CENTER);
		panel.getAccessibleContext().setAccessibleName("Override Fallthrough");
		return panel;
	}
Dialog to prompt for overriding a fallthrough address on an instruction.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/fallthrough/FallThroughDialog.java