​How can I add supplier/vendor in the system?

There is two different ways to add vendor in your list.

You can add your vendor manually one by one. You can import list of vendors.

To Add Manually:  Go to "Purchase" --> Click on "Vendor" --> Click on "Create" button --> Add vendor details --> Click on "Save" button

 1) Go to the Purchase app from the Metro ERP main menu.  Select the purchase module.

2)  Click on "Vendor" and view the vendor listing page.

3)Click on "Create" button and view the vendor form.

4)Add vendor details --> Click on "Save" button