Configuring drop down type of field
Drop down is a field type that behaves like a normal Windows Drop Down menu.
Setting up a drop down
Select a type for the field. In this case DropDown:
Editable option defines that the value selected from the drop down menu can be overridden. In this case overriding means writing a custom value for the field. If you like to enable overriding, select True:
List of values displayed in the created drop down menu are defined in List values field.
You can add values to the list by clicking Edit button:
String Collection Editor
In String Collection Editor you can add values for the collection. They are written one per line.A line can contain letters and numbers, UPPERCASE and lowercase letters. The text is shown in the drop down menu as written here.
After the values are written, they can be chosen from the defined drop down menu: