public void addRecentlyOpenedProjectArchive(String projectName, String pathname) {
		String projectPathname = DataTypeManagerHandler.getProjectPathname(projectName, pathname);
		if (recentlyOpenedArchiveMap.get(projectPathname) != null) {
			return;
		}

		RecentlyOpenedArchiveAction action = null;
		if (getProjectArchiveFile(projectName, pathname) != null) {
			action = new RecentlyOpenedArchiveAction(this, projectPathname, RECENTLY_OPENED_MENU);
			action.setHelpLocation(new HelpLocation(getName(), "Recent_Archives"));
		}

		recentlyOpenedArchiveMap.put(projectPathname, action);
		updateRecentlyOpenedArchivesMenu();
	}
Add project archive name to recently opened list
@param projectName the project name
@param pathname the pathname
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/datamgr/DataTypeManagerPlugin.java