To create Megamenu, Go to admin panel > Section builder > Add new > Add megamenu content such as navigation links, image, sidebar, etc. As per your requirements.
After that go to Hongo Section Builder settings and select section type megamenu.
If you don’t have idea about how to create menu then refer this article.
How To Setup Megamenu Or Assigning Megamenu
Go to Admin panel > menus > Select mega menu option that you want to add in menu item.
Note: All megamenu section show in dropdown that you have created or imported in section builder post types.
