Dropdown Configuration
Dropdown has one setting, “Dropdown Options”, a textarea in which you specify your select’s options.
List one option per line:
Herbie Hancock
Miles Davis
The Bad PlusYou can optionally specify input values for each option, and organize
options into optgroup\ s:
Jazz
    herbie : Herbie Hancock
    miles : Miles Davis
Rock
    beatles : The Beatles
    bobby : Bob DylanYou can also create a blank option by adding a blank line at the top. You can also give your blank option a label:
 : Select one...
Herbie Hancock
Miles Davis
The Bad Plus(Note there’s a space before the colon.)
