Add a Product first in Zdoo.
1. Login Zdoo and go CRM->Product.
2. Click Add Product, and a window will pop out for you to add a product.
Note
1. "Product line" can be added at "CRM"->"Settings". Once a product is added, it will show in "Product line" drop-down menu.
2. There are three types of product, Physical, such as a computer; Service, such as training/consulting; and Virtual, such as software.
3. A product has three types of status, in Developing, normal and Offline.