FCE selectorbox element configuration

Question

How to add options and values in to the selector box element of Flexible content element(FCE)? How to use that value in other element's typoscript?

Answer 1

How to add options and values in to the selector box element of Flexible content element(FCE)?

Edit field and click Form link:

How to use that value in other element's typoscript?

for ex. in other element TS

10 = TEXT
10.field = field_2bf3c2

where field_2bf3c2 id field name look at image.