Follow these steps to create and manage submenus within your navigation menu:

Step 1: 
Login into Mobiconnect with valid credentials and select your project.
https://www.mobiconnect.net/login

Step 2:
Navigate to the Edit Menu page by clicking on “Profile,” selecting “Settings,” and then accessing the “General” tab

Step 3:

Click on the menu item where you want to add a submenu.
The selected menu item will expand.
Click on the Submenu Option

Step 4:

Click Add Link to choose

Parent Link (for grouping related items)
Custom Link (for external or specific internal pages)

Step 5:

Click on the added submenu item to update its details like: Name
Icon and Navigation path

Click Delete to remove the submenu if needed.

Click ‘Save Submenu’ to confirm submenu additions.
Click ‘Save’ at the top right corner to apply all menu changes