When I need to select some item of a vTiger module from other, a popup window is opened. A list of items appears with a columns by default but we can't choose them from GUI. We need to change the code.
The following example changes the columns for Products module. We are going to add two new columns to the view, the Serial Number and the Category of the product:
The following example changes the columns for Products module. We are going to add two new columns to the view, the Serial Number and the Category of the product: